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  • IIS 6 ASP.NET default handler-mappings and virtual directories

    - by mlauter
    I'm having a problem with setting a default mapping in IIS 6. I want to secure *.HTML files with ASP.NET forms authentication. The problem seems to have something to do with using virtual directories to hold the html files. Here's how it's setup: sample directory tree c:/inetpub/ (nothing in here) d:/web_files/my_web_apps d:/web_files/my_web_apps/app1/ d:/web_files/my_web_apps/app2/ d:/web_files/my_web_apps/html_files/ app1 and app2 both access the same html_files directory, so html_files is set as a virtual directory in the web apps in IIS... sample web directory tree //app1/html_files/ (points to physical directory: d:/web_files/my_web_apps/html_files/) //app2/html_files/ (points to physical directory: d:/web_files/my_web_apps/html_files/) If I put a file called test.html in the root of //app1/ and then add the default mapping to the asp.net dll and setup my security on the root folder with deny="?", then accessing test.html works exactly as expected. If I'm not authenticated, it takes me to the login.aspx page, and if I am authenticated then it displays test.html. If I put the test.html file in the html_files directory I get a totally different behavior. Now the login.aspx page loads and I stuck some code in to check if I was still authenticated: <p>autheticated: <%=User.Identity.IsAuthenticated%></p> I figured it would say false because why else would it bother to load the login page? Nope, it says true - so it knows i'm authenticated, but it won't give me access to the test.html file. I've spent several hours on this and haven't been able to solve it. I'm going to spend some more time on google to see if I've missed something. Fingers crossed.

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  • Exchange eMails In A Mailbox Appear To Be Blocked By A Dud Message

    - by John Judd
    I have a client with an Exchange server on which there are quite a few mailboxes. One mailbox in particular is causing some problems. When an email from a certain address arrives, it appears to prevent Exchange from successfully delivering the email to the Outlook Express inbox. The address in question is from an account with Bigpond, or at least I think it is, I didn't check to see if it was spoofed (only just occurred to me.) Any emails in the queue before the suspect email are delivered, then Express times out. When send/recv is retried those emails are re-received and the process times out again. The process I have for fixing this is to log in to the sever, load Outlook, open the recipients inbox, and delete the suspect email. Then retrying the send/recv on Express successfully retrieves all the messages (except for the deleted message.) This solves the immediate problem, but this has happened several times now, and each time requires the process above to correct it. What I am wondering is if there is anything I can do to fix this permanently. It seems to me that Exchange should reject a dud email message rather than getting stuck. Does anyone know what could be causing this, and how I can fix it?

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  • "postgres blocked for more than 120 seconds" - is my db still consistent?

    - by nn4l
    I am using an iscsi volume on an Open-E storage system for several virtual machines running on a XenServer host. Occasionally, when there is a very high disk I/O load on the virtual machines (and therefore also on the storage system), I got this error message on the vm consoles: [2594520.161701] INFO: task kjournald:117 blocked for more than 120 seconds. [2594520.161787] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [2594520.162194] INFO: task flush-202:0:229 blocked for more than 120 seconds. [2594520.162274] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [2594520.162801] INFO: task postgres:1567 blocked for more than 120 seconds. [2594520.162882] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. I understand this error message is caused by the kernel to inform that these processes haven't been run for 120 seconds, most likely because a disk access to the storage system has not yet been processed. But what is the effect on the processes. For example, will the postgres process eventually write its data when the storage system is idle again after a few minutes, so that all data is still consistent? Or will it abort the write, leaving some tables in an inconsistent state? I certainly expect that the former should be the case - if the disk access is slow, postgres (or any other affected process) should just wait as long as it takes. I can live with the application hanging for a few minutes. But if there is a chance for data corruption then any of these errors is really bad news. Please advise what to do here.

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  • What benchmark tool to use to benchmark hardware for VM server?

    - by Mark0978
    We are setting up a new piece of hardware to virtualize several of our servers on. Choices are RAID 5, RAID 6, and RAID 0+1. We are wanting to benchmark all three before we go live with the machine, but I'm not sure how to test the speed. Since we will be using it to host VMs, what will the actual disk traffic look like? What can I use to see if RAID 6 is too slow? Short of setting up the system with all the VM's on it and running that way, then redoing on all the work, I'm not sure how to test it. It them becomes more of a subjective test than an objective one. I'm worried that RAID6 will have too much overhead, that RAID5 will be to fragile with 3TB drives and I've never worked with 0+1 at all. So in short I'd like to setup the base machine (which will be running Linux) and then test the underlying SW RAID for speed. What kind of tool exists to simulate this kind of load? Barring the lack of a specific tool, how about a generic FS testing tool that will simulate different loads?

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  • Restoring snapshot for Microsoft Exchange server

    - by Mugen
    Hi, The background: I need to do some testing with Microsoft exchange server. Specifically, I'll be installing some software on the Microsoft exchange server machine and uninstalling that same software again. The problem I face: While I repeatedly do this with different versions of my software there is a chance that sometime later the Exchange server installation might get corrupted. When that happens I would need to reinstall Exchange server which I feel is somewhat of a chore. So what I am planning to do is to install the Ms Exchange server on a virtual machine in VMware ESX server and take a snapshot so that during my work whenever the installation is corrupted I can restore the snapshot. So here's my question: Would restoring the snapshot for the Microsoft Exchange server virtual machine work correctly? I'm not familiar with the intricacies of exchange server and any changes (if any) that happen with the Domain controller when we use or install an exchange server (Personally I don't think that should happen but just making sure). I have a shortage of time and hence decided to post this question here. Could someone please tell me whether restoring a snapshot for Exchange server would work fine? Thanks a load, Mugen

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  • Linux NIC Bonding Issue (CentOS 4 / RHEL 3)

    - by jinanwow
    I am having an issue with bonding NICs on CentOS 4. It appears the bonding driver does work, but it is stuck in round-robin mode and I am trying to get to active-backup. The current config is: ifcfg-bond0 DEVICE=bond0 IPADDR=192.168.204.18 NETMASK=255.255.255.0 ONBOOT=yes BOOTPROTO=none USERCTL=no TYPE=Bonding BONDING_OPTS="mode=1 miimon=100" ifcfg-eth1 DEVICE=eth1 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet MASTER=bond0 SLAVE=yes ifcfg-eth3 DEVICE=eth3 ONBOOT=yes BOOTPROTO=none TYPE=Ethernet MASTER=bond0 SLAVE=yes cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v2.6.3-rh (June 8, 2005) Bonding Mode: load balancing (round-robin) MII Status: up MII Polling Interval (ms): 0 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth1 MII Status: up Link Failure Count: 0 Permanent HW addr: 00:17:a4:8f:94:b1 Slave Interface: eth3 MII Status: up Link Failure Count: 0 Permanent HW addr: 00:1b:21:56:b8:69 cat /etc/modprobe.conf alias eth0 tg3 alias eth1 tg3 alias eth3 e1000 alias eth2 e1000 alias bond0 bonding options bond0 mode=1 miimon=100 I have tried moving the bonding information out of the ifcfg-bond0 into the modprobe configuration file. It seems that it is stuck in RR and I am trying to get it into the Active-backup (mode 1) state. Any ideas what would be causing this issue?

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  • nf_conntrack complaints in dmesg

    - by Alexander Gladysh
    While investigating complains on bad HTTP server performance, I've discovered these lines in dmesg of my Xen XCP host that contains a guest OS with said server: [11458852.811070] net_ratelimit: 321 callbacks suppressed [11458852.811075] nf_conntrack: table full, dropping packet. [11458852.819957] nf_conntrack: table full, dropping packet. [11458852.821083] nf_conntrack: table full, dropping packet. [11458852.822195] nf_conntrack: table full, dropping packet. [11458852.824987] nf_conntrack: table full, dropping packet. [11458852.825298] nf_conntrack: table full, dropping packet. [11458852.825891] nf_conntrack: table full, dropping packet. [11458852.826225] nf_conntrack: table full, dropping packet. [11458852.826234] nf_conntrack: table full, dropping packet. [11458852.826814] nf_conntrack: table full, dropping packet. Complains are repeated every five seconds (number of suppressed callbacks is different each time). What can these sympthoms mean? Is that bad? Any hints? (Note that the question is more narrow than "how to solve specific case of bad HTTP server performance", so I do not give more details on that.) Additional info: $ uname -a Linux MYHOST 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise $ cat /proc/sys/net/netfilter/nf_conntrack_max 1548576 The server is under about 10M hits / day load.

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  • Troubleshooting iptables and configuring it to drop the priority of long-term connections

    - by intuited
    I'm somewhat familiar with the general concepts of iptables, and would like to learn it in more detail. I'm hoping that my learning experience can also be useful. The situation: I'm running dd-wrt on my router. Despite its purported QoS skills, I'm still seeing connection latency shoot up hugely whenever there's an ongoing http connection, eg some large download. Under such conditions, it can take 10 seconds or more to load a basic webpage; sometimes the connections are dropped entirely. I've tried adjusting the parameters, dropping the allotted bandwidth for up and download to well under my limit, but nothing seems to work. dd-wrt is configured to use HTB as the QoS algorithm; HFSC, although presented as an option, seems to cause the router to crash, and is rumoured to not actually work on any linux system. I'd like to be able to troubleshoot this issue and hopefully improve the settings that dd-wrt is using, but I'm finding the learning curve a bit overwhelming. For starters I am not sure what HTB actually specifies: is this a set of iptables commands, or do some of those commands specify how HTB is to be used? I would like it to prioritize based on protocol the way that it already supposed to, and in addition I'd like to have it drop the priority of connections which have a high total byte count, say over 400KB. Also tips on utilities that can be run under dd-wrt to get more info on what's going on in there are appreciated. I've tried to get iftop to work but there were issues running curses. I'm leaning towards replacing dd-wrt with openwrt; comments on this strategy are also welcome. I suspect that I would be well advised to get a second router as a standin before trying that. It may be worth noting that my total bandwidth is pretty limited (256Kbit/s).

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  • Apche ssl is not working

    - by user1703321
    I have configure virtual host on 80 and 443 port(Centos 5.6 and apache 2.2.3), following is the sample, i have wrote the configuration in same order Listen 80 Listen 443 NameVirtualHost *:80 NameVirtualHost *:443 <VirtualHost *:80> ServerAdmin [email protected] ServerName www.abc.be ServerAlias abc.be . . </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] ServerName www.abc.fr ServerAlias abc.fr . . </VirtualHost> then i have define 443 <VirtualHost *:443> ServerAdmin [email protected] ServerName www.abc.be ServerAlias abc.be . . SSLEngine on SSLCertificateFile /etc/ssl/private/abc.be.crt SSLCertificateKeyFile /etc/ssl/private/abc.be.key SSLCertificateChainFile /etc/ssl/private/gd_bundle_be.crt </VirtualHost> <VirtualHost *:443> ServerAdmin [email protected] ServerName www.abc.fr ServerAlias abc.fr . . SSLEngine on SSLCertificateFile /etc/ssl/private/abc.fr.crt SSLCertificateKeyFile /etc/ssl/private/abc.fr.key SSLCertificateChainFile /etc/ssl/private/gd_bundle_fr.crt </VirtualHost> First ssl certificate for abc.be is working fine, but 2nd domian abc.fr still load first ssl. following the output of apachictl -s VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:443 is a NameVirtualHost default server www.abc.be (/etc/httpd/conf/httpd.conf:1071) port 443 namevhost www.abc.fr (/etc/httpd/conf/httpd.conf:1071) Thanks

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  • (solved) `ssh foo "<command/>"` not loading remote aliases?

    - by TomRoche
    summary: Why does this fail $ ssh foo 'R --version | head -n 1' bash: R: command not found but this succeeds $ ssh foo 'grep -nHe 'bashrc' ~/.bash_profile' /home/me/.bash_profile:3:# source the users .bashrc if it exists /home/me/.bash_profile:4:if [ -f "${HOME}/.bashrc" ] ; then /home/me/.bash_profile:5: source "${HOME}/.bashrc" $ ssh foo 'grep -nHe "\WR\W" ~/.bashrc' /home/me/.bashrc:118:alias R='/share/linux86_64/bin/R' $ ssh foo '/share/linux86_64/bin/R --version | head -n 1' R version 2.14.1 (2011-12-22) ? details: I am a (rootless) user on 2 clusters. One uses environment modules, so any given server on that cluster can provide (via module add) pretty much the same resources. The other cluster, on which I must also unfortunately work, has servers managed individually, so I get in the habit of doing, e.g., EXEC_NAME='whatever' for S in 'foo' 'bar' 'baz' ; do ssh ${SERVER} "${EXEC_NAME} --version" done This works fine for packages installed normally/consistently, but often (for reasons unknown to me) packages are not: e.g. (compare alias below to alias above), $ ssh bar 'R --version | head -n 1' bash: R: command not found $ ssh bar 'grep -nHe 'bashrc' ~/.bash_profile' /home/me/.bash_profile:3:# source the users .bashrc if it exists /home/me/.bash_profile:4:if [ -f "${HOME}/.bashrc" ] ; then /home/me/.bash_profile:5: source "${HOME}/.bashrc" $ ssh bar 'grep -nHe "\WR\W" ~/.bashrc' /home/me/.bashrc:118:alias R='/share/linux/bin/R' $ ssh bar '/share/linux86_64/bin/R --version | head -n 1' R version 2.14.1 (2011-12-22) Using aliases copes well with these install differences when I interactively shell into the server, but fails when I try to script ssh commands (as above); i.e., # interactively $ ssh foo ... foo> R --version calls my alias for R on remote host=foo, but # scripting $ ssh foo 'R --version' doesn't. What do I need to do to make ssh foo "<command/>" load my aliases on the remote host?

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  • saslauthd using too much memory

    - by Brian Armstrong
    Woke up today to see my site slow/unresponsive. Pulled up top and it looks like a ton of saslauthd processes have spun up using about 64m of RAM each, causing the machine to enter swap space. I've never seen this many used on there. top - 16:54:13 up 85 days, 11:48, 1 user, load average: 0.32, 0.50, 0.38 Tasks: 143 total, 1 running, 142 sleeping, 0 stopped, 0 zombie Cpu(s): 0.7%us, 0.3%sy, 0.0%ni, 97.3%id, 0.2%wa, 0.0%hi, 0.0%si, 1.4%st Mem: 1048796k total, 1025904k used, 22892k free, 14032k buffers Swap: 2097144k total, 332460k used, 1764684k free, 194348k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 848 admin 20 0 263m 115m 4840 S 0 11.3 5:02.91 ruby 906 admin 20 0 265m 113m 4828 S 0 11.1 5:37.24 ruby 30484 admin 20 0 248m 91m 4256 S 6 9.0 219:02.30 delayed_job 4075 root 20 0 160m 65m 952 S 0 6.4 0:24.22 saslauthd 4080 root 20 0 162m 64m 936 S 0 6.3 0:24.48 saslauthd 4079 root 20 0 162m 64m 936 S 0 6.3 0:24.70 saslauthd 4078 root 20 0 164m 63m 936 S 0 6.2 0:24.66 saslauthd 4077 root 20 0 163m 62m 936 S 0 6.1 0:24.66 saslauthd 3718 mysql 20 0 312m 52m 3588 S 1 5.1 3499:40 mysqld 699 root 20 0 72744 7640 2164 S 0 0.7 0:00.50 ruby 15701 postfix 20 0 106m 5712 4164 S 1 0.5 0:00.50 smtpd 15702 postfix 20 0 52444 3252 2452 S 1 0.3 0:00.06 cleanup 4062 postfix 20 0 41884 3104 1788 S 0 0.3 125:26.01 qmgr 15683 root 20 0 51504 2780 2180 S 0 0.3 0:00.04 sshd 14595 postfix 20 0 52308 2548 2304 S 1 0.2 0:24.60 proxymap 15483 postfix 20 0 43380 2544 1992 S 0 0.2 0:00.38 smtp 15486 postfix 20 0 43380 2544 1992 S 0 0.2 0:00.36 smtp 15488 postfix 20 0 43380 2540 1992 S 0 0.2 0:00.38 smtp 15485 postfix 20 0 43380 2532 1984 S 0 0.2 0:00.36 smtp 15489 postfix 20 0 43380 2532 1984 S 0 0.2 0:00.40 smtp Wasn't sure what Saslauthd is, Google says it handles plantext authentication. The machine has been sending a lot of email through postfix, so this could be related. Anyone know why so many may have spun up? Are they safe to kill? Thanks!

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  • How to configure fastcgi to work with ligttpd in ubuntu

    - by michael
    I am able to run lighttpd on ubuntu 9.10. But when i tried to setup fastcgi with lighttpd by putting this in the ligttpd.conf file: #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => "9098", "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", "docroot" => "/" # remote server may use # it's own docroot )) ) This is what I get in the error.log in ligttpd: 2010-03-07 21:00:11: (log.c.166) server started 2010-03-07 21:00:11: (mod_fastcgi.c.1104) the fastcgi-backend /usr/local/bin/cgi-fcgi failed to start: 2010-03-07 21:00:11: (mod_fastcgi.c.1108) child exited with status 1 /usr/local/bin/cgi-fcgi 2010-03-07 21:00:11: (mod_fastcgi.c.1111) If you're trying to run your app as a FastCGI backend, make sure you're using the FastCGI-enabled version. If this is PHP on Gentoo, add 'fastcgi' to the USE flags. 2010-03-07 21:00:11: (mod_fastcgi.c.1399) [ERROR]: spawning fcgi failed. 2010-03-07 21:00:11: (server.c.931) Configuration of plugins failed. Going down. I do have cgi-fcgi in /usr/local/bin: $ which cgi-fcgi /usr/local/bin/cgi-fcgi '/usr/local/bin/cgi-fcgi' is the executable after I download and compile fast-cgi. Here is my lighttpd conf file: $ more lighttpd.conf # lighttpd configuration file # # use it as a base for lighttpd 1.0.0 and above # # $Id: lighttpd.conf,v 1.7 2004/11/03 22:26:05 weigon Exp $ ############ Options you really have to take care of #################### ## modules to load # at least mod_access and mod_accesslog should be loaded # all other module should only be loaded if really neccesary # - saves some time # - saves memory server.modules = ( # "mod_rewrite", # "mod_redirect", # "mod_alias", "mod_access", # "mod_trigger_b4_dl", # "mod_auth", # "mod_status", # "mod_setenv", "mod_fastcgi", # "mod_proxy", # "mod_simple_vhost", # "mod_evhost", # "mod_userdir", # "mod_cgi", # "mod_compress", # "mod_ssi", # "mod_usertrack", # "mod_expire", # "mod_secdownload", # "mod_rrdtool", "mod_accesslog" ) ## A static document-root. For virtual hosting take a look at the ## mod_simple_vhost module. server.document-root = "/srv/www/htdocs/" ## where to send error-messages to server.errorlog = "/var/log/lighttpd/error.log" # files to check for if .../ is requested index-file.names = ( "index.php", "index.html", "index.htm", "default.htm" ) ## set the event-handler (read the performance section in the manual) # server.event-handler = "freebsd-kqueue" # needed on OS X # mimetype mapping mimetype.assign = ( ".pdf" => "application/pdf", ".sig" => "application/pgp-signature", ".spl" => "application/futuresplash", ".class" => "application/octet-stream", ".ps" => "application/postscript", ".torrent" => "application/x-bittorrent", ".dvi" => "application/x-dvi", ".gz" => "application/x-gzip", ".pac" => "application/x-ns-proxy-autoconfig", ".swf" => "application/x-shockwave-flash", ".tar.gz" => "application/x-tgz", ".tgz" => "application/x-tgz", ".tar" => "application/x-tar", ".zip" => "application/zip", ".mp3" => "audio/mpeg", ".m3u" => "audio/x-mpegurl", ".wma" => "audio/x-ms-wma", ".wax" => "audio/x-ms-wax", ".ogg" => "application/ogg", ".wav" => "audio/x-wav", ".gif" => "image/gif", ".jar" => "application/x-java-archive", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg", ".png" => "image/png", ".xbm" => "image/x-xbitmap", ".xpm" => "image/x-xpixmap", ".xwd" => "image/x-xwindowdump", ".css" => "text/css", ".html" => "text/html", ".htm" => "text/html", ".js" => "text/javascript", ".asc" => "text/plain", ".c" => "text/plain", ".cpp" => "text/plain", ".log" => "text/plain", ".conf" => "text/plain", ".text" => "text/plain", ".txt" => "text/plain", ".dtd" => "text/xml", ".xml" => "text/xml", ".mpeg" => "video/mpeg", ".mpg" => "video/mpeg", ".mov" => "video/quicktime", ".qt" => "video/quicktime", ".avi" => "video/x-msvideo", ".asf" => "video/x-ms-asf", ".asx" => "video/x-ms-asf", ".wmv" => "video/x-ms-wmv", ".bz2" => "application/x-bzip", ".tbz" => "application/x-bzip-compressed-tar", ".tar.bz2" => "application/x-bzip-compressed-tar", # default mime type "" => "application/octet-stream", ) # Use the "Content-Type" extended attribute to obtain mime type if possible #mimetype.use-xattr = "enable" ## send a different Server: header ## be nice and keep it at lighttpd # server.tag = "lighttpd" #### accesslog module accesslog.filename = "/var/log/lighttpd/access.log" ## deny access the file-extensions # # ~ is for backupfiles from vi, emacs, joe, ... # .inc is often used for code includes which should in general not be part # of the document-root url.access-deny = ( "~", ".inc" ) $HTTP["url"] =~ "\.pdf$" { server.range-requests = "disable" } ## # which extensions should not be handle via static-file transfer # # .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) ######### Options that are good to be but not neccesary to be changed ####### ## bind to port (default: 80) server.port = 9090 ## bind to localhost (default: all interfaces) server.bind = "127.0.0.1" ## error-handler for status 404 #server.error-handler-404 = "/error-handler.html" #server.error-handler-404 = "/error-handler.php" ## to help the rc.scripts #server.pid-file = "/var/run/lighttpd.pid" ###### virtual hosts ## ## If you want name-based virtual hosting add the next three settings and load ## mod_simple_vhost ## ## document-root = ## virtual-server-root + virtual-server-default-host + virtual-server-docroot ## or ## virtual-server-root + http-host + virtual-server-docroot ## #simple-vhost.server-root = "/srv/www/vhosts/" #simple-vhost.default-host = "www.example.org" #simple-vhost.document-root = "/htdocs/" ## ## Format: <errorfile-prefix><status-code>.html ## -> ..../status-404.html for 'File not found' #server.errorfile-prefix = "/usr/share/lighttpd/errors/status-" #server.errorfile-prefix = "/srv/www/errors/status-" ## virtual directory listings #dir-listing.activate = "enable" ## select encoding for directory listings #dir-listing.encoding = "utf-8" ## enable debugging #debug.log-request-header = "enable" #debug.log-response-header = "enable" #debug.log-request-handling = "enable" #debug.log-file-not-found = "enable" ### only root can use these options # # chroot() to directory (default: no chroot() ) #server.chroot = "/" ## change uid to <uid> (default: don't care) #server.username = "wwwrun" ## change uid to <uid> (default: don't care) #server.groupname = "wwwrun" #### compress module #compress.cache-dir = "/var/cache/lighttpd/compress/" #compress.filetype = ("text/plain", "text/html") #### proxy module ## read proxy.txt for more info #proxy.server = ( ".php" => # ( "localhost" => # ( # "host" => "192.168.0.101", # "port" => 80 # ) # ) # ) #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => 1026, "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", #"docroot" => "/" # remote server may use # it's own docroot )) ) ## read fastcgi.txt for more info ## for PHP don't forget to set cgi.fix_pathinfo = 1 in the php.ini #fastcgi.server = ( ".php" => # ( "localhost" => # ( # "socket" => "/var/run/lighttpd/php-fastcgi.s ocket", # "bin-path" => "/usr/local/bin/php-cgi" # ) # ) # ) #### CGI module #cgi.assign = ( ".pl" => "/usr/bin/perl", # ".cgi" => "/usr/bin/perl" ) # #### SSL engine #ssl.engine = "enable" #ssl.pemfile = "/etc/ssl/private/lighttpd.pem" #### status module #status.status-url = "/server-status" #status.config-url = "/server-config" #### auth module ## read authentication.txt for more info #auth.backend = "plain" #auth.backend.plain.userfile = "lighttpd.user" #auth.backend.plain.groupfile = "lighttpd.group" #auth.backend.ldap.hostname = "localhost" #auth.backend.ldap.base-dn = "dc=my-domain,dc=com" #auth.backend.ldap.filter = "(uid=$)" #auth.require = ( "/server-status" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "user=jan" # ), # "/server-config" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "valid-user" # ) # ) #### url handling modules (rewrite, redirect, access) #url.rewrite = ( "^/$" => "/server-status" ) #url.redirect = ( "^/wishlist/(.+)" => "http://www.123.org/$1" ) #### both rewrite/redirect support back reference to regex conditional using %n #$HTTP["host"] =~ "^www\.(.*)" { # url.redirect = ( "^/(.*)" => "http://%1/$1" ) #} # # define a pattern for the host url finding # %% => % sign # %0 => domain name + tld # %1 => tld # %2 => domain name without tld # %3 => subdomain 1 name # %4 => subdomain 2 name # #evhost.path-pattern = "/srv/www/vhosts/%3/htdocs/" #### expire module #expire.url = ( "/buggy/" => "access 2 hours", "/asdhas/" => "ac cess plus 1 seconds 2 minutes") #### ssi #ssi.extension = ( ".shtml" ) #### rrdtool #rrdtool.binary = "/usr/bin/rrdtool" #rrdtool.db-name = "/var/lib/lighttpd/lighttpd.rrd" #### setenv #setenv.add-request-header = ( "TRAV_ENV" => "mysql://user@host/db" ) #setenv.add-response-header = ( "X-Secret-Message" => "42" ) ## for mod_trigger_b4_dl # trigger-before-download.gdbm-filename = "/var/lib/lighttpd/trigger.db" # trigger-before-download.memcache-hosts = ( "127.0.0.1:11211" ) # trigger-before-download.trigger-url = "^/trigger/" # trigger-before-download.download-url = "^/download/" # trigger-before-download.deny-url = "http://127.0.0.1/index.html" # trigger-before-download.trigger-timeout = 10 #### variable usage: ## variable name without "." is auto prefixed by "var." and becomes "var.bar" #bar = 1 #var.mystring = "foo" ## integer add #bar += 1 ## string concat, with integer cast as string, result: "www.foo1.com" #server.name = "www." + mystring + var.bar + ".com" ## array merge #index-file.names = (foo + ".php") + index-file.names #index-file.names += (foo + ".php") #### include #include /etc/lighttpd/lighttpd-inc.conf ## same as above if you run: "lighttpd -f /etc/lighttpd/lighttpd.conf" #include "lighttpd-inc.conf" #### include_shell #include_shell "echo var.a=1" ## the above is same as: #var.a=1 Thank you for your help.

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  • Issues with sustained traffic with PFSense

    - by Farseeker
    Last week we had to replace our PFSense firewall because it had a catastrophic hardware failure. All but one of the NICs were taken out of the old server and put into the new one. The one NIC that was not moved was the LAN NIC as this is on-board. The other NICs are all WAN connections and the must all be present (i.e. I can't disable one just for the sake of testing) After re-installing PFSense and restoring our backup of the configuration, everything came back online just fine, however on the new hardware any download that takes longer than about 10 seconds just times out in the middle. Example 1: Downloading from Microsoft.com goes at about 900k/sec and times out after about 10 seconds (thus, just under 10Mb of content) Example 2: Downloading from cnet.com goes at about 300k/sec and times out after about 10 seconds (thus, about 3Mb of content). By times out, I mean that the download just stops, and you have to pause/resume to get the next part done, repeat and rinse until the download is complete. However it's not consistant, sometimes it's 10 seconds, sometimes it's 4 seconds, and it sometimes you can't even load a heavy HTML page because the page never finishes. I assume this is most likely because PFSense does not like the onboard NIC, as this is the primary difference between the two servers. It's recognised as NFE0, and there's no room in the server for any more NICs and I don't have any dual-port NICs handy to experiment with a different LAN connection. I've never had to troubleshoot this sort of issue before. Can anyone give me some pointers about where to start? Linux is not my forte so please be kind!

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  • fail2ban log parsing too slow on Raspberry Pi - options? [migrated]

    - by Gordon Morehouse
    I'm running fail2ban on a Raspberry Pi at 950MHz which I cannot overclock further. The Pi is occasionally subject to SYN floods on particular ports. I've set up iptables to throttle the rate of SYNs on the port of interest; when the throttle limits are exceeded, hosts which send SYNs are dropped into the REJECT chain and the particular SYN packet which exceeded the limit is logged. fail2ban then watches for these logged SYNs and, after seeing a few, temporarily bans the host for a short time (this is a transient issue in the app I'm working with). The problem is that the SYN floods can occasionally reach rates which are too fast for fail2ban to keep up with; I'll see 20-40 log messages per second, and eventually fail2ban falls behind and becomes ineffective. To add insult to injury, it continues consuming a LOT of CPU as it tries to catch up. I have verified that DROP chained packets from hosts already banned by fail2ban are not logged, and thus do not add to its load. What are my options here? I have a few ideas, but no clear path forward. Could I make the log-parse regex "easier" so it takes fewer cycles? Would using iptables --log-prefix to put a token near the start of the log message, and/or otherwise simplifying/altering the fail2ban regex help? Here is the current fail2ban config line containing a regex: failregex = kernel:.*?SRC=(?:::f{4,6}:)?(?P<host>[\w\-.^_]+) DST.*?SYN Is there a faster way for fail2ban to watch for the packets exceeding the limits than parsing kern.log? Could fail2ban be run under PyPy instead of CPython with minimal nonstandard wizardry (the OS is Raspbian 7, so, mostly Debian 7)? Is there something better than fail2ban that I could use to watch for the packets which exceed the SYN limits, and after N exceeds in X seconds, temporarily put the offending IP into the iptables DROP bucket, and take it out when the ban timer expires? Again, I'd vastly prefer a solution that uses as much software available in Debian as possible, though I can build Debian packages in a pinch.

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  • BGP Multihomed/Multi-location best practice

    - by Tom O'Connor
    We're in the process of designing a new iteration of our network where we improve resilliency by adding a second datacentre. We'll be adding a second datacentre, with an identical configuration of servers as our primary location. To achieve network connectivity, we're looking into a couple of possible methods. See earlier questions http://serverfault.com/questions/86736/best-way-to-improve-resilience and http://serverfault.com/questions/101582/dns-round-robin-failover-and-load-balancing I'm pretty convinced that BGP is the right way to go about this, and this question is not about RRDNS. 1) If we have 2 locations, do we announce the same IP address block from both locations? 2) If we did this, but had a management ssh interface on x.x.x.50 from datacentre A, but it was on x.x.x.150 in datacentre B. What is the best practice mechanism for achieving this? Because if I were nearest to A, then all my traffic would go to x.50, but if i attempted to connect to x.150, I'd not be able to connect, because this address wouldn't be valid at A, but only at B. Is the best solution to announce 2 different netblocks, one at each location, facilitating the need for RRDNS, or to announce a single block, and run some form of VPN between the two sites for managment traffic?

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  • 0 connected nodes in datastax opscenter

    - by gansbrest
    Installed opscenterd on the separate node outside of the cluster, but within firewall ( aws security group ). Tested all possible ports between agents and opcenter server. No errors in the log.. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Initializing event storage. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Attempting to load all persisted alert rules 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done loading persisted alert rules 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done initializing event storage. 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: Done loading persisted scheduled job descriptions 2013-10-30 01:07:23+0000 [FC_Cluster] INFO: OpsCenter starting up. 2013-10-30 01:07:23+0000 [] INFO: Finished starting new cluster services for FC_Cluster 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.34.10.185 is version u'3.2.2' 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.32.37.251 is version u'3.2.2' 2013-10-30 01:08:04+0000 [FC_Cluster] INFO: Agent for ip 10.82.226.252 is version u'3.2.2' The most interesting part that I can see some data in the opscenter UI, when I stop agents, there is no data displayed, when I start - it show up again, but at the same time it shows 0 connected nodes. Storage capacity is even funnier - 3 of 0 nodes.. Any ideas why that could be happening?

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  • Apache2 - 500 internal server error

    - by Lucio Coire Galibone
    i'm running a VPS with Linux CentOs 6 with 4 GB of RAM, 10 GB of HD and 2 virtual CPU Intel(R) Xeon(R)CPU L5640 @ 2.27GHz. As my host says each virtual CPU must be at least 0.5 physical cpu. At certain times of the day, those with more traffic, trying accessing my php script i receive intermittently "500 internal server error". I activate logging to debug level from apache, and also the PHP logging with E_ALL, but I can't find reference to Error 500 in any logs(I checked the right logs!). I haven't got any .htaccess file in path script. The strange thing is that the error start at first php line in the script (the previous html displays correctly, but at the first php line the script send 500 error). The cpu load is always good (max 0.15 0.08 0.01) and RAM is close to 95% but it arrived to swap just 2 times in a month with 2-5 MB. Apache works with prefork with this values: <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 280 MaxClients 280 MaxRequestsPerChild 4000 </IfModule> Everthing works correctly and I don't get any error in quiet times, but i start receive errors when traffic rises (6-9000 visits per hour). Can i solve the problem increasing resources? (i can upgrade RAM up to 16 GB). It can depend from reaching MaxClients (but apache must write it on log, right?)? If I upgrade RAM to 6 or 8 GB i have to calculate MaxClients value with this? MaxClients = Total RAM dedicated to the web server / Max child process size Max child process size is around 20M. How else can the problem be? Thanks in advance

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  • Debugging Samba/CUPS printer sharing with Windows

    - by mrdrbob
    I've got a HP Deskjet hooked up to a Slackware 12.2 box. I've got CUPS set up and can print a test page from the box just fine. I've also got Samba set up and have a couple file shares that work fine. I'm trying to share that HP Deskjet out via Samba, but I can't get it to show up in any Windows system. I see the server and its file shares in Windows networking, but when I open the Printers, no printer shows up. Running net view \\servername from the command line lists the file shares, but no printers. Here's the pertinent part of my smb.conf, if that helps: [global] workgroup = HOMENET security = share hosts allow = 192.168.1. 192.168.2. 127. load printers = yes printcap name = cups printing = cups log file = /var/log/samba.%m max log size = 50 [printers] comment = All Printers path = /var/spool/samba browseable = no public = yes writable = no printable = yes guest only = yes Can anyone give me some pointers as to where to start looking for potential causes? Update: Running testparm shows no errors. Here's the output (minus the file shares): [global] workgroup = HOMENET security = SHARE log file = /var/log/samba.%m max log size = 50 printcap name = cups hosts allow = 192.168.1., 192.168.2., 127. [printers] comment = All Printers path = /var/spool/samba guest only = Yes guest ok = Yes printable = Yes browseable = No

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  • Mysql queries stuck in "sending data" state

    - by MarkPW
    I'm running a Litespeed web server and a database server (2 x Clovertown 5335) with MySQL 5.1.52-log (running on Cent OS 4.5 and 4.6 32bit respectively). Last week, I upgraded from 5.0.51a-community-log and since then I've been having a problem whereby my database server's load starts increasing for no apparent reason. Running SHOW PROCESSLIST; I see all of my SQL_CACHE queries that use a wildcard in WHERE, backing up and getting stuck in "sending data" state. However, other queries that use SQL_CACHE but no wildcard do not get caught up in this. To get things going again, the first time it happens (after about 24 hours), I have to restart mysql. 4/5 times it will re-occur after about 20 minutes or so and this time and for subsequent occurrences it is not necessary to restart mysql. Simply stopping the web server for a few minutes will suffice while I allow the stuck queries to clear themselves up. I had no such problem with the the previous mysql install. What could be causing the issue and how do I resolve it? Thanks

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  • "ImportError: No module named flask" - Trouble with nginx + uWSGI + Flask in a virtualenv setup

    - by vjk2005
    I got nginx + uWSGI running on localhost inside a virtualenv with a simple hello world program, but I get this error when I replace the hello world with a simple Flask app: File "./wsgi_configuration_module.py", line 1, in <module> from flask import Flask ImportError: No module named flask unable to load app mountpoint Here's the flask app (wsgi_configuration_module.py): from flask import Flask application = Flask(__name__) @application.route("/") def hello(): return "hello world" if __name__ == "__main__": application.run() uWSGI config (app_conf.xml): <uwsgi> <socket>127.0.0.1:9001</socket> <chdir>/srv/www/labs/application</chdir> <pythonpath>/srv/www</pythonpath> <module>wsgi_configuration_module</module> <callable>application</callable> <no-site>true</no-site> </uwsgi> nginx config: server { listen 80; server_name localhost; access_log /srv/www/labs/logs/access.log; error_log /srv/www/labs/logs/error.log; location / { include uwsgi_params; uwsgi_pass 127.0.0.1:9001; } location /static { root /srv/www/labs/public_html/static/; index index.html index.htm; } } virtualenv stored in ~/virtual_env with Python 2.7 + nginx + uWSGI + Flask installed in a virtualenv called basic. Things I've tried to solve this: set the --home (-H) option to my virtualenv folder ~/virtual_env while running uWSGI. Other info: I have the same setup working outside of a virtualenv. Things go wrong only when I try to replicate the setup inside of a virtualenv. Where have I gone wrong?

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  • How do I troubleshoot a slow hard drive?

    - by Bruce Connor
    My computer is suffering of slow-downs and I'm not surprised (it's around 6 years old). Here's what I've verified: They are not very frequent (only a couple of times a day). When they happen a single application will hang for 10-60 seconds, while the rest don't hang but also get slow. Even as it is happening, the CPU usage stays low. It happens to applications (such as text editor, firefox, skype). It never happens to some applications (such as games) which I use for hours under heavy CPU load. Also of note: The Graphics card and PSU are new (around a year). Though I have a decent amount of software installed right now, this was happening even right after I reinstalled Windows. This HDD has been through many partinioning schemes, and a few heavy operations (such as moving around 200GB of data). Because of the above, I am already 70% sure the problem is with the hard drive. Before I replace it, however, I want to rule out other less likely possibilities (such as RAM, software, or PSU). I don't have the money to replace the entire box right now, but I can easily replace one of the components. I've read several questions (such as this one) which give general guidance on troubleshooting an unknown issue, that is not what I'm looking for here. My main question is: What tests or benchmarks can I run to verify I have a problematic hard drive? I don't need to solve this problem, I am content with just making sure it's the hard drive. I could borrow a newer hard drive from a friend and see if it gets better. A positive result would rule out all other components, but it wouldn't rule out a software issue (since this new hard drive won't have any of the software I use daily). Running on Windows/Linux.

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  • Will disabling hyperthreading improve performance on our SQL Server install

    - by Sam Saffron
    Related to: Current wisdom on SQL Server and Hyperthreading Recently we upgraded our Windows 2008 R2 database server from an X5470 to a X5560. The theory is both CPUs have very similar performance, if anything the X5560 is slightly faster. However, SQL Server 2008 R2 performance has been pretty bad over the last day or so and CPU usage has been pretty high. Page life expectancy is massive, we are getting almost 100% cache hit for the pages, so memory is not a problem. When I ran: SELECT * FROM sys.dm_os_wait_stats order by signal_wait_time_ms desc I got: wait_type waiting_tasks_count wait_time_ms max_wait_time_ms signal_wait_time_ms ------------------------------------------------------------ -------------------- -------------------- -------------------- -------------------- XE_TIMER_EVENT 115166 2799125790 30165 2799125065 REQUEST_FOR_DEADLOCK_SEARCH 559393 2799053973 5180 2799053973 SOS_SCHEDULER_YIELD 152289883 189948844 960 189756877 CXPACKET 234638389 2383701040 141334 118796827 SLEEP_TASK 170743505 1525669557 1406 76485386 LATCH_EX 97301008 810738519 1107 55093884 LOGMGR_QUEUE 16525384 2798527632 20751319 4083713 WRITELOG 16850119 18328365 1193 2367880 PAGELATCH_EX 13254618 8524515 11263 1670113 ASYNC_NETWORK_IO 23954146 6981220 7110 1475699 (10 row(s) affected) I also ran -- Isolate top waits for server instance since last restart or statistics clear WITH Waits AS ( SELECT wait_type, wait_time_ms / 1000. AS [wait_time_s], 100. * wait_time_ms / SUM(wait_time_ms) OVER() AS [pct], ROW_NUMBER() OVER(ORDER BY wait_time_ms DESC) AS [rn] FROM sys.dm_os_wait_stats WHERE wait_type NOT IN ('CLR_SEMAPHORE','LAZYWRITER_SLEEP','RESOURCE_QUEUE', 'SLEEP_TASK','SLEEP_SYSTEMTASK','SQLTRACE_BUFFER_FLUSH','WAITFOR','LOGMGR_QUEUE', 'CHECKPOINT_QUEUE','REQUEST_FOR_DEADLOCK_SEARCH','XE_TIMER_EVENT','BROKER_TO_FLUSH', 'BROKER_TASK_STOP','CLR_MANUAL_EVENT','CLR_AUTO_EVENT','DISPATCHER_QUEUE_SEMAPHORE', 'FT_IFTS_SCHEDULER_IDLE_WAIT','XE_DISPATCHER_WAIT', 'XE_DISPATCHER_JOIN')) SELECT W1.wait_type, CAST(W1.wait_time_s AS DECIMAL(12, 2)) AS wait_time_s, CAST(W1.pct AS DECIMAL(12, 2)) AS pct, CAST(SUM(W2.pct) AS DECIMAL(12, 2)) AS running_pct FROM Waits AS W1 INNER JOIN Waits AS W2 ON W2.rn <= W1.rn GROUP BY W1.rn, W1.wait_type, W1.wait_time_s, W1.pct HAVING SUM(W2.pct) - W1.pct < 95; -- percentage threshold And got wait_type wait_time_s pct running_pct CXPACKET 554821.66 65.82 65.82 LATCH_EX 184123.16 21.84 87.66 SOS_SCHEDULER_YIELD 37541.17 4.45 92.11 PAGEIOLATCH_SH 19018.53 2.26 94.37 FT_IFTSHC_MUTEX 14306.05 1.70 96.07 That shows huge amounts of time synchronizing queries involving parallelism (high CXPACKET). Additionally, anecdotally many of these problem queries are being executed on multiple cores (we have no MAXDOP hints anywhere in our code) The server has not been under load for more than a day or so. We are experiencing a large amount of variance with query executions, typically many queries appear to be slower that they were on our previous DB server and CPU is really high. Will disabling Hyperthreading help at reducing our CPU usage and increase throughput?

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  • Create a special folder within an outlook PST file

    - by Tony Dallimore
    Original question I have two problems caused by missing special folders. I added a second email address for which Outlook created a new PST file with an Inbox to which emails are successfully imported. But there is no Deleted Items folder. If I attempt to delete an unwanted email it is struck out. If move an email to a different PST file it is copied. I created a new PST file using Data File Management. This PST file has no Drafts folder. This is not important but I fail to see why I cannot have Drafts folder if I want. Any suggestions for solving these problems, particularly the first, gratefully received. Update Thanks to Ramhound and Dave Rook for their helpful responses to my original question. I assumed the problem of not have a Drafts folder in an Archive PST file and not having a Deleted Items folder associated with an Inbox were part of the same problem or I would not have mentioned the Drafts folder issue since I have an easy work-around. Perhaps my question should have been: How to I load emails from an IMAP account and be able to delete the spam?

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  • Data recovery on a corrupted 3TB disk

    - by Mark K Cowan
    Short version I probably need software to run a deep-scan recovery (ideally on Linux) to find files on NTFS filesystem. The file data is intact, but the references are no longer present. Analogous to recovering data from a "quick-formatted" partition. Hopefully there is a smarter way available than deep-scan, one which would recover filenames and possibly paths. Long version I have a 3TB disk containing a load of backups. Windows 7 SP1 refused to detect the disk when plugged in directly via SATA, so I put it on a USB/SATA adaptor which seemed to work at first. The SATA/USB adaptor probably does not support disks over 2.2TB though. Windows first asked me if I wanted to 'format' the disk, then later showed me most of the contents but some folder were inaccessible. I stupidly decided to run a CHKDSK on my backup disk, which made the folders accessible but also left them empty. I connected this disk via SATA to my main PC (Arch Linux). I tried: testdisk ntfsundelete ntfsfix --no-action (to look for diagnostically relevant faults, disk was "OK" though) to no avail as the files references in the tables had presumably been zeroed out by CHKDSK, rather than using a typical journal'd deletion). If it is useful at all, a majority of the files that I want to recover are JPEG, Photoshop PSD, and MPEG-3/MPEG-4/AVI/MKV files. If worst comes to worst, I'll just design my own sector scanner and use some simple heuristic-driven analysis to recover raw binary blocks of data from the disk which appears to match the structures of the above file types. I am unfamiliar with the exact workings of NTFS but used to be proficient at recovering FAT32 systems with just a hex-editor, so I can provide any useful diagnostic information if you let me know how to find it! My priorities in ascending order of importance for choosing the accepted answer: Restores directory structure Recovers many filenames in addition to the file data Is free / very cheap Runs on Linux Recovers a majority of file data The last point is the most important, but the more of the higher points you match the more rep you'll probably get :)

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  • Data recovery on a data HDD (no OS)

    - by aCuria
    I am helping a family member with a dead hard disk. It is a seagate 200Gb 3.5" HDD in one of those old-school external enclosures. The problem was that windows failed to detect the hard disk when plugged in through USB. I removed the hard disk from its enclosure, and plugged it into my desktop PC. The BIOS does detect it upon POST, but unfortunately windows 7 would refuse to boot. It will get stuck on the loading screen with the glowing windows logo. Safe mode doesn't help either. What options do I have before going for some professional data recovery? edit: Someone modified the Title to something completely different from what I was asking, i just changed it back. 1) 2 HDD drives, DiskA(Dead), DiskB(my OS disk) 2) when B is connected to my system, everything works fine 3) when A AND B is connected, failure to boot. POSTs fine, but windows wont load 4) A has NO OS, its PURE data. It came from an EXTERNAL HDD enclosure which doesnt belong to me, and im trying to do data recovery.

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