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• HTTP Upload Problems

  - by jfoster

  We are running a marketplace on ColdFusion8 and IIS with a widely geographically distributed user base and have been receiving complaints of issues with some HTTP uploads. Most of the complaints are coming from geographically distant locations from our main datacenter on the US east coast. I've attempted to upload the same 70MB file from a US West coast test server to both our main site and a backup running the same code on a different network route and I saw the same issues fairly consistently in both places, so I've ruled out the code, route, and internal network errors. I've also tested uploads using both the native cf upload tag and a third party tool called SaFileUp. I saw the same issues with both upload tools, so I also don't think this is necessarily a ColdFusion problem. I don't have any problems uploading the test file from the East coast to other east coast servers, so I'm beginning to think that the distance between our users and our equipment is a factor. I've also found that smaller files are more likely to succeed than large ones (< 10MB) I tried the test upload with both IE and FF and did notice a difference in the way that the browsers seemed to handle packet errors. IE seemed to have a tough time continuing an upload after dropped / bad packets, whereas FF seemed to have the ability to gracefully resume an upload after experiencing packet problems. Has anyone experienced similar issues? Is there anything we can do on our side to make uploads more forgiving to packet loss or resumable after an error? A different upload tool etc… Do we need upload servers in more than one location to shorten the network routes between clients and servers? Does anyone think that switching uploads to SSL will help (no layer7 packet sniffing may lead to a smoother upload). Thanks.

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• SQL 2000 Backup/Export Process - Can't find SQL 2000 Enterprise Manager, Can't use Mgmt Studio Expre

  - by 1nsane

  I need to make a backup of a client's SQL 2000 database, however there are a few issues preventing me from doing so using the traditional methods. I've tried using SQL Management Studio Express, but the host doesn't give sufficient privileges to create a backup and I'm getting some strange error messages. I've also tried doing the "Generate Scripts" to recreate the schema, then using the DTS Wizard to migrate the data, but the IDs set up with the identity specification property are not consistent with the live database once copied over. This results in some foreign key breakage... If I remember correctly, I was able to use Microsoft SQL 2000 Enterprise Manager to perform the task before, but I can't find this anywhere... it seems Microsoft has pulled most SQL Server 2000 stuff from their site. Does anyone know where I can find a copy of Enterprise Manager (or a trial of SQL Server 2000, which I believe comes with the component)? Or conversely, does anyone know of any other tools (preferably non-commercial) that are capable of mirroring remote SQL Server 2000 DBs? Thanks!

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• How Could My Website Be Hacked

  - by Kiewic

  Hi! I wonder how this could happen. Someone delete my index.php files from all my domains and puts his own index.php files with the next message: Hacked by Z4i0n - Fatal Error - 2009 [Fatal Error Group Br] Site desfigurado por Z4i0n Somos: Elemento_pcx - s4r4d0 - Z4i0n - Belive Gr33tz: W4n73d - M4v3rick - Observing - MLK - l3nd4 - Soul_Fly 2009 My domain has many subdomains, but only the subdomains that can be accessed with an specific user were hacked, the rest weren't affected. I assumed that someone entered through SSH, because some of these subdomains are empty and Google doesn't know about them. But I checked the access log using the last command, but this didn't show any activity through SSH or FTP the day of the attack neither seven days before. Does anybody has an idea? I already changed my passwords. What do you recommend me to do? UPDATE My website is hosted at Dreamhost. I suppose they have the latest patches installed. But, while I was looking how they entered to my server, I found weird things. In one of my subdomains, there were many scripts for execute commands on the server, upload files, send mass emails and display compromising information. These files had been created since last December!! I have deleted those files and I'm looking for more malicious files. Maybe the security hold is an old and forgotten PHP application. This application has a file upload form protected by a password system based on sessions. One of the malicious scripts was in the uploads directory. This doesn't seem like an SQL Injection attack. Thanks for your help.

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• Way to speed up load-balanced ssl using nginx?

  - by paulnsorensen

  So the setup for our website is 4 nodes running rails 3 and nginx 1 that all use the same GoDaddy certificate. Because we are a paid site, we have to maintain PCI-DSS compliance and thus have to use the more expensive SSL ciphers -- also we force SSL using Rack. I've recently switched over to Linode's NodeBalancer (which I've read is an HACluster), and we're not getting the performance we'd ideally like. From what I've read, it looks like terminating the SSL on the nodes using the high cipher is what is causing the poor performance, but I'd like to be thorough. Is there anything I can do? I've read about other ways to terminate the SSL before the NodeBalancer (like using stud), but I don't know enough about these solutions. We certainly don't want to do anything experimental or anything that has a single point of failure. If there really isn't anything I can do to speed up the SSL handshake, my alternative would be to support certain pages on Rails using a secure and insecure subdomain. I've found a few guides that walk through that, but my resulting question is in this situation, would it be better to have nginx handle forcing ssl on the secure subdomain instead of rails? Thanks!

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• Make router forward HTTP and HTTPS traffic to external App

  - by cOsticla

  I use a Linksys WRT54GL router with DD-WRT v24-sp2 (10/10/09) std (SVN revision 13064) which I am trying to make forward all HTTP and HTTPS traffic to an external app called Fiddler (used as proxy) on port 8888. After a lot of digging on this site, dd-wrt forum, dd-wrt.com and WWW, I am stacked with the following piece of code that works (thanks to the guys from dd-wrt support for this info), but only for forwarding HTTP traffic (port 80): #!/bin/sh PROXY_IP=1234567890 PROXY_PORT=8888 LAN_IP=`nvram get lan_ipaddr` LAN_NET=$LAN_IP/`nvram get lan_netmask` iptables -t nat -A PREROUTING -i br0 -s $LAN_NET -d $LAN_NET -p tcp --dport 80 -j ACCEPT iptables -t nat -A PREROUTING -i br0 -s ! $PROXY_IP -p tcp --dport 80 -j DNAT --to $PROXY_IP:$PROXY_PORT iptables -t nat -I POSTROUTING -o br0 -s $LAN_NET -d $PROXY_IP -p tcp -j SNAT --to $LAN_IP iptables -I FORWARD -i br0 -o br0 -s $LAN_NET -d $PROXY_IP -p tcp --dport $PROXY_PORT -j ACCEPT I tried to edit the code from above and I came up with the following but it's still not forwarding HTTPS but just HTTP traffic: #!/bin/sh PROXY_IP=1234567890 PROXY_PORT=8888 LAN_IP=`nvram get lan_ipaddr` LAN_NET=$LAN_IP/`nvram get lan_netmask` iptables -t nat -A PREROUTING -i br0 -s $LAN_NET -d $LAN_NET -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -t nat -A PREROUTING -i br0 -s ! $PROXY_IP -p tcp -m multiport --dports 80,443 -j DNAT --to $PROXY_IP:$PROXY_PORT iptables -t nat -I POSTROUTING -o br0 -s $LAN_NET -d $PROXY_IP -p tcp -j SNAT --to $LAN_IP iptables -I FORWARD -i br0 -o br0 -s $LAN_NET -d $PROXY_IP -p tcp --dport $PROXY_PORT -j ACCEPT I am not sure if is possible to forward HTTPS traffic anymore by just using a router so I'd appreciate if somebody will share his thoughts and/or examples regarding this subject here. Thanks!

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• File sharing for small, distributed, non-technical, non-profit organization?

  - by mnmldave

  Problem: I've started volunteering for a small non-profit with fewer than five non-technical Windows users who need to share 20-30GB of files (Office documents, images, PDFs, etc.) amongst themselves online. Background: The users are accustomed to a Windows network share on a machine that backed up their data locally. An on-site "disaster" has forced them to work from their homes for awhile and to re-evaluate their file sharing needs (office was located in an old building with obvious electrical issues, etc.). Access to time from volunteers with IT experience seems to be difficult. Demonstrably minimizing energy consumption is a nice-to-have. I'm currently considering Jungle Disk (a Desktop account shared amongst the handful of employees since their TOS and my inquiries to their helpdesk seem to indicate this is permissible). It appears easy-to-use, inexpensive, secure, has backup functionality, and can scale to accomodate more data when needed. I've not used it myself though (have only used Dropbox for personal use) and systems isn't my area of expertise, so am worried I might be jumping on a bandwagon. That said, any suggestions, thoughts or similar experiences would be really appreciated.

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• Logging hurts MySQL performance - but, why?

  - by jimbo

  I'm quite surprised that I can't see an answer to this anywhere on the site already, nor in the MySQL documentation (section 5.2 seems to have logging otherwise well covered!) If I enable binlogs, I see a small performance hit (subjectively), which is to be expected with a little extra IO -- but when I enable a general query log, I see an enormous performance hit (double the time to run queries, or worse), way in excess of what I see with binlogs. Of course I'm now logging every SELECT as well as every UPDATE/INSERT, but, other daemons record their every request (Apache, Exim) without grinding to a halt. Am I just seeing the effects of being close to a performance "tipping point" when it comes to IO, or is there something fundamentally difficult about logging queries that causes this to happen? I'd love to be able to log all queries to make development easier, but I can't justify the kind of hardware it feels like we'd need to get performance back up with general query logging on. I do, of course, log slow queries, and there's negligible improvement in general usage if I disable this. (All of this is on Ubuntu 10.04 LTS, MySQLd 5.1.49, but research suggests this is a fairly universal issue)

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• Difference between accessing a website using Local host and IP address

  - by Cdeez

  I have developed an ASP.NET website and deployed into my IIS server. Now to see that my IIS is installed fine, I type local host in my address bar, and I get the welcome screen of IIS and its documentation in a separate window. Now I gave the url of my website http://localhost/mysites/site2/Default.aspx I access my site. Also giving my IP address instead of local host like: http://192.168.1.46/mysites/site2/Default.aspx also works. Just out of curiosity I wanted to see what happens when I give my IP address in addressbar. It asks me a user name and password saying:The server 192.168.1.46:80 requires a user name and password. I donot know what user name and password it is asking, and as of my knowledge I thought localhost points to my own IP address internally. But what is the difference and also what username and password do I need for it? Update: On chrome and IE just giving localhost displays the welcome screen, but on mozilla, localhost is also asking for a username and password.

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• How can I use the Homebrew Python with Homebrew MacVim on Mountain Lion?

  - by Stephen Jennings

  I originally asked and answered this question: How can I use the Homebrew Python version with Homebrew MacVim? These instructions worked on Snow Leopard using Xcode 4.0.1 and associated developer tools. However, they no longer seem to work on Mountain Lion with Xcode 4.4.1. My goal is to leave the system's version of Python completely untouched, and to only install PyPI packages into Homebrew's site-packages directory. I want to use the vim_bridge package in MacVim, so I need to compile MacVim against the Homebrew version of Python. I've edited the MacVim formula to add these to the arguments: --enable-pythoninterp=dynamic --with-python-config-dir=/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/Current/lib/python2.7/config Then I install with the command: brew install macvim --override-system-vim --custom-icons --with-cscope --with-lua However, it still seems to be somehow using Python 2.7.2 from the system. This seems strange to me because it also seems to be using the correct executable. :python print(sys.version) 2.7.2 (default, Jun 20 2012, 16:23:33) [GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] :python print(sys.executable) /usr/local/bin/python $ /usr/local/bin/python --version Python 2.7.3 $ /usr/local/bin/python -c "import sys; print(sys.version)" 2.7.3 (default, Aug 12 2012, 21:17:22) [GCC 4.2.1 Compatible Apple Clang 4.0 ((tags/Apple/clang-421.0.60))] $ readlink /usr/local/lib/python2.7/config /usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/Current/lib/python2.7/config I've removed everything in /usr/local and reinstalled Homebrew by running these commands: $ ruby <(curl -fsSkL raw.github.com/mxcl/homebrew/go) $ brew install git mercurial python ruby $ brew install macvim (nope, still broken) $ brew remove macvim $ ln -s /usr/local/Cellar/python/..../python2.7/config /usr/local/lib/python2.7/config $ brew install macvim

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• Cannot set up dual monitors correctly in Fedora15 with KDE.

  - by adivasile

  I have 2 monitors: 24" LCD connected via DVI(primary) 19" LCD connected via VGA(secondary) Everytime Fedora starts the second display is always set to clone the first one and they both run at 1280x1024 and I always have to disable the 19" monitor, in order for the bigger one to run at 1920x1080. I want to set them up so that my secondary monitor extends the primary one.The problem is that no matter what kind of configuration I choose it has no effect.My secondary monitor remains disabled. I've tried using both the Display manager from KDE and the ATI Control Panel and the behaviour is always the same.The moment I click apply, the screen flickers and nothing changes. I've succesfully used the extended setup in Fedora15 with Gnome3. I have a RadeonHD 4300 series videocard and I'm using the drivers downloaded from the AMD site. This is the output of xrandr -q : Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 1920 x 1920 VGA-0 connected (normal left inverted right x axis y axis) 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.0 70.1 66.0 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 75.0 72.8 66.7 59.9 720x400 70.1 DVI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x 268mm 1920x1080 60.0*+ 60.0 1680x1050 59.9 1600x900 60.0 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1280x720 60.0 1152x720 60.0 1024x768 75.0 60.0 832x624 74.6 800x600 75.0 60.3 640x480 75.0 59.9 720x400 70.1 Later edit: The problem seems to come from the ATI drivers.I managed to set up the monitors like I wanted after I uninstalled the drivers. Unfortunately I'm working on an OpenCL project so I had to reinstall them.The moment I did that, all my previous settings were forgotten and I was back to square one.

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• Is this SPF record correct for me?

  - by DT

  I'm completely new to Stack Overflow, so Hi! I need to add an SPF record to my site "main.com" (not the real address) to allow an email publishing company "emailpublishers.com" (not the real address) to send emails on my behalf. However, I'm nervous about adding an SPF record because of the havoc it could wreak if done incorrectly. I use Google Apps. I also use "auxiliary.com" to send mail from "main.com." And, of course, I use "main.com" to send mail as well. "auxiliary.com" doesn't have an SPF record. I used Microsofts' and OpenSPF's wizards to generate the following SPF entry. Does it seem to be correct for me? "v=spf1 a mx ip4:55.55.555.55 mx:alt1.aspmx.l.google.com mx:alt2.aspmx.l.google.com mx:aspmx.l.google.com mx:aspmx2.googlemail.com mx:aspmx3.googlemail.com mx:aspmx4.googlemail.com mx:aspmx5.googlemail.com a:auxiliary.com include:_spf.google.com include:auxiliary.com mx:auxiliary.com include:emailpublishers.com mx:emailpublishers.com ~all" However, my host MediaTemple says in a knowledge base article to use: v=spf1 a:main.com/20 ~all So that added to my confusion. Thanks a lot!

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• Get Squid to pass X-Requested-With header

  - by tftd

  I have configured a squid 3.1 proxy server. Everything works great except for the X-Requested-With header. I can't manage to figure out how to pass that header to the site I'm attempting to open via the proxy. This is my current configuration: request_header_access Allow allow all request_header_access Authorization allow all request_header_access WWW-Authenticate allow all request_header_access Proxy-Authorization allow all request_header_access Proxy-Authenticate allow all request_header_access Cache-Control allow all request_header_access Content-Encoding allow all request_header_access Content-Length allow all request_header_access Content-Type allow all request_header_access Date allow all request_header_access Expires allow all request_header_access Host allow all request_header_access If-Modified-Since allow all request_header_access Last-Modified allow all request_header_access Location allow all request_header_access Pragma allow all request_header_access Accept allow all request_header_access Accept-Charset allow all request_header_access Accept-Encoding allow all request_header_access Accept-Language allow all request_header_access Content-Language allow all request_header_access Cookie allow all request_header_access Mime-Version allow all request_header_access Retry-After allow all request_header_access Title allow all request_header_access Connection allow all request_header_access User-Agent allow all request_header_access All deny all #remove all other headers # delete "x-forwarder-for.." headers forwarded_for delete request_header_access Via deny all request_header_access X-Forwarded-For deny all I tried to add this line request_header_access X-Requested-With allow all to the configuration but apparently X-Requested-With is an unknown header name... Apparently I'm missing something?

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• Apache2 with lighttpd as proxy

  - by andrzejp

  Hi, I am using apache2 as web server. I would like to help him lighttpd as a proxy for static content. Unfortunately I can not well set up lighttpd and apache2. (OS: Debian) Important things from lighttpd.config: server.modules = ( "mod_access", "mod_alias", "mod_accesslog", "mod_proxy", "mod_status", ) server.document-root = "/www/" server.port = 82 server.bind = "localhost" $HTTP["remoteip"] =~ "127.0.0.1" { alias.url += ( "/doc/" => "/usr/share/doc/", "/images/" => "/usr/share/images/" ) $HTTP["url"] =~ "^/doc/|^/images/" { dir-listing.activate = "enable" } } I would like to use lighttpd in only one site operating as a virtual directory on apache2. Configuration of this virtual directory: ProxyRequests Off ProxyPreserveHost On ProxyPass /images http://0.0.0.0:82/ ProxyPass /imagehosting http://0.0.0.0:82/ ProxyPass /pictures http://0.0.0.0:82/ ProxyPassReverse / http://0.0.0.0:82/ ServerName MY_VALUES ServerAlias www.MY_VALUES UseCanonicalName Off DocumentRoot /www/MYAPP/forum <Directory "/www/MYAPP/forum"> DirectoryIndex index.htm index.php AllowOverride None ... As you can see (or not;)) my service is physically located at the path: / www / myapp / forum and I would like to support lighttpd dealt with folders: / www / myapp / forum / images / www / myapp / forum / imagehosting / www / myapp / forum / pictures and left the rest (PHP scripts) for apache After running lighttpd and apache2 working party, but did not show up any images of these locations. What is wrong?

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• apache2: ssl_error_rx_record_too_long when visiting port 80? help!

  - by John

  Hi, I have an Ubuntu 10 x64 server edition machine. I got a second IP and configured /etc/network/interfaces like so (actual IPs and gateways removed): [code] auto lo iface lo inet loopback iface eth0 inet dhcp auto eth0 auto eth0:0 iface eth0 inet static address [ my first IP ] netmask 255.255.255.0 gateway [ my first gateway ] iface eth0:0 inet static address [ my second IP ] netmask 255.255.255.0 gateway [ my second gateway ] [/code] /etc/apache2/ports.conf: [code] Listen 80 NameVirtualHost [ my first IP ]:80 NameVirtualHost [ my second IP ]:80 # If you add NameVirtualHost *:443 here, you will also have to change # the VirtualHost statement in /etc/apache2/sites-available/default-ssl # to # Server Name Indication for SSL named virtual hosts is currently not # supported by MSIE on Windows XP. Listen 443 NameVirtualHost [ my first IP - some site is running SSL successfully using it ]:443 Listen 443 [/code] /etc/apache2/sites-enabled/mysite.conf: [code] ServerName mysite.com Include /var/www/mysite.com/djangoproject/apache/django.conf [/conf] [/code] Then when visiting http[mysite].com:80 or http[mysite].com (:// removed because serverfault doesn't allow me to post hyperlinks), I get: [code] An error occurred during a connection to [mysite].com. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long) [/code] My guess is that the configuration file is not being picked up, and apache is therefore looking for the default-ssl file, which is not in conf-enabled. If I were to configure that file properly, it seems I would successfully connect to whatever default directory is specified in the default-ssl file. But I want to connect to my website. Any ideas? Thanks in advance!

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• Symantec Endpoint Protection Virus Definitions

  - by Gus Denton

  I have done some Googling but I cannot get a definitive answer certainly not from the Symantec KB. I have a Virtualised Win 2003R2 server 32bit. It has been provisioned to me with Symantec Endpoint Protection 11.0.62xxx CLIENT (not a definitions server) the directory C:\Program Files\Common Files\Symantec Shared\VirusDefs is 750MB IT doesn't contain .tmp directories so it is NOT a corrupt definitions server. IT does contain directories named with a date pattern YYYYMMDD.xxx Some of these folders are 12 months old and I would like to recover the space. The sysmantect forums are full of this stuff but a lot of the postings contain links back to documents that are not specific to End Point Protection Client. It appears that I should be able to delete the older folders and all will be OK. with a service restart however there is a warning about having Live Update Administrator Installed Firstly I have no idea if I have this installed how to I check and secondly can I just ditch these old files and restart ? Regards Gus Denton Learning and Teaching Uni of New South Wales Sydney Australia For those trying to assist me I thankyou. I have followed some instructions found on the Symantec site and assumed that the response from Nixphoe would resolve my issue. It appears that as I am on a provisioned VM from a central IT unit I cannot run the Symantec commands from the Run prompt as my admin creds to get me in. (smc -stop) Basically I need to claw back some Diskspace from the c: drive which is being filed up with WSUS patches and Symantec files. I have managed to delete one symantec cache through the live update control panel and recovered 470Mb I suppose my last question for those more experienced than myself is, can I simply remove say the two oldest virus definition folders without completely foobaring the End Point protection and the server ? Regards Gus

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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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• Why is squid breaking kerberos/NTLM auth?

  - by DonEstefan

  I'm using squid 2.6.22 (Centos 5 Default) as a proxy. Squid seems to break the authentication process for web pages when they require NTLM or Kerberos Auth. I tested with sharepoint 2007 and tried all 3 authentication methods (NTLM, Kerberos, Basic). Accessing the site without squid works in all cases. When I access the same page with squid, then only basic-auth works. Using IE or Firefox desn't make any difference. Squid itself can be used by anybody (no auth_param configured). Its a bit tricky to find solutions online, since most of the topics whirl around auth_param for authenticating users to squid rather than authenticating users to a webpage behind squid. Could anyone help? Edit: Sorry, but my first test was totally screwed up. I tested against the wrong webservers (Memo to myself: always check assumptions before testing). Now I realized that the problem scenario is completely different. Kerberos work for IE Kerberos works for Firefox (after changing "network.negotiate-auth.trusted-uris" in about:config) NTLM works for IE NTLM does NOT work in Firefox (even after changing "network.automatic-ntlm-auth.trusted-uris" in about:config) By the way: The feature that provides NTLM-passthrough in squid is called "connection pinning" and the HTTP header "Proxy-support: Session-based-authentication""

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• How to prevent nginx from locking files on mounted samba partition in Centos 6

  - by Bruce Kirkpatrick

  I'm using nginx 1.3.8 inside a centos 6.3 virtualbox 4.2.4 virtual machine. The system is running the latest software available via yum update. The host OS is windows 7. The site files nginx is serving are on mounted samba partition, which is a folder on the host Windows system. I.e., inside linux, nginx paths are referring to /home/vhosts and this is mounted from D:\vhosts\ on windows. The samba partition is mounted as root with 777 privileges. /etc/fstab looks like this, but with real ip, username, password: //hostip/vhosts /home/vhosts cifs username=username,password=SECRETPASSWORD,uid=root,gid=root,file_mode=0777,dir_mode=0777,rw,_netdev 0 0 I.e. linux/nginx reads from the windows share, and not the opposite. in /etc/samba/smb.conf, I have tried to disable all samba locking features, but it seems to have no effect even after rebooting the virtual machine. locking=no share modes=no oplocks = no level2 oplocks = no kernel oplocks =no I'm receiving "Access is denied" errors in Windows or linux when attempting to overwrite the javascript file in windows that has been accessed at least once with nginx. If I run "service nginx reload", the lock is removed and I'm able to save the file. That's why I think it is nginx causing the lock. The same problem occurs with directories. However, that may be a different issue not related to the use of samba. I'm using samba so that I can manage the source code outside of the virtual machine. Also note that after I run "service nginx reload", the file I'm editing is actually automatically deleted from the windows host. SOLVED: I just reviewed my nginx.conf file. It appears the "open_file_cache" feature is what is causing the lock and deleted files. When I set this option to open_file_cache off;, My problem is resolved. I will repost as the answer when it allows me to do so.

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• Why won't 2GB of ram across 3 of 4 slots work on my motherboard (max 2GB)?

  - by Andrew

  My desktop is an old home-built machine circa 200[5-6] running Ubuntu 11.10 (but this is not relevant because I'm reading available ram from BIOS loading screen), with an ASUS P5GPL motherboard, not X or X-SE - it has four slots. I'm mainly a laptop person, but keep this around for running a server from if needed, backing up to, seeding Ubuntu to people from, etc… It has four (DDR) ram slots, two black and two blue, in the order black-blue-black-blue (I will call them D, C, B, and A, respectively) with some space in the middle. The blue ones are the closest to the processor. I used to have two 512MB chips in the two blue slots. I just got a 1GB chip and plugged it into one of the black slots; my system didn't recognize it. I messed around and discovered that it will not recognize chips in many positions, and I couldn't get it to recognize all three of these chips at the same time. In particular, if I put the 512MB chips in A and B it would only use 1, but AC, AD, BD, and CD worked. I didn't try BC, I believe. Only some of these continue to work when I switch the 1GB chip into one of these positions. Can I have some advice as to how to position these chips to get all 2GB used? How about if I get another 1GB chip - where should I put the two? And what about the RAM maximum Crucial says? Can I go above 2GB, if I get another 1GB chip? Right now, I have a 512MB chip in A and the 1GB chip in C. EDIT: I read some other posts and tried dmidecode in Ubuntu to clarify the max memory question, that wasn't a major part anyways. It says my max memory module size is 1024M (OK) and my max memory size is 4096M (doesn't agree with Crucial OR the Asus web site, maybe it will only work while in Linux and BIOS won't OK it?).

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• Incomplete Apache logging

  - by Manz

  I have a problem with Apache running on a Linux server. This error undefined index on PHP, for example. The problem is that my Apache server doesn't log entire error messages. Some lines from the error.log file: [Thu Nov 29 05:29:06 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: lin [Thu Nov 29 05:29:06 2012] [warn] mod_fcgid: stderr: 9 [Thu Nov 29 05:31:30 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/html/sit [Thu Nov 29 06:01:18 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var [Thu Nov 29 06:06:09 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined [Thu Nov 29 06:06:15 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: [Thu Nov 29 06:13:04 2012] [warn] mod_fcgid: stderr: PH [Thu Nov 29 07:14:16 2012] [warn] mod_fcgid: stderr: PHP Notice: Undef [Thu Nov 29 07:32:16 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/ht [Thu Nov 29 07:34:26 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link [Thu Nov 29 07:34:30 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/html/site.com/ [Thu Nov 29 07:41:10 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 07:41:11 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 07:41:12 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 08:14:20 2012] [warn] mod_fcgid: stderr: PHP Notice: Undef [Thu Nov 29 12:36:54 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: li [Thu Nov 29 12:37:04 2012] [warn] mod_fcgid: stderr: PHP Notice: Unde [Thu Nov 29 12:46:52 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/htm [Thu Nov 29 13:00:33 2012] [warn] mod_fcgid: stderr: line 35 [Thu Nov 29 13:10:55 2012] [error] [client XXX.XX.XX.XX] File does not exist: /var/www/h Some lines are incomplete and truncate the error message. Anyone know Why Apache is saving incomplete error messages?

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• Unable to activate Windows XP

  - by Josh Kelley

  The latest round of Patch Tuesday updates left my Windows XP computer unbootable. ("Fatal System Error: The Windows Logon Process system process terminated unexpectedly.") After much messing around with the recovery console, an XP CD's repair mode, and manually copying registry files around, I have a system that can boot again. However, I overwrote my OEM XP installation's activation information while trying to run a retail XP CD's setup, so it needs reactivation. Here's my problem: I cannot activate it at all. I log in, Windows tells me I have to activate to continue, I click Yes, and absolutely nothing happens: no windows, no response to keyboard or mouse, no response to Ctrl-Alt-Del, nothing. Safe mode works, but I can't activate in safe mode (EDIT: not even safe mode with networking). I read a trick online of pressing [Windows Key]+U to bring up the Microsoft Narrator, and that works, but clicking its Microsoft Web Site link does nothing. My last attempt to resolve this was to reinstall Windows off of the OEM CD. Now I have two parallel Windows installations, both on the same hard drive, one with all of my stuff and no way to activate it, one fully activated with no usable programs. Any ideas? Any way to activate in safe mode? Any way to copy activation information from my activated installation to my unactivated installation (since they're both on the same hard drive)?

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• PORT FORWARDING TO PUT MY WEB SERVER ON THE INTERNET

  - by Chadworthington

  I went to http://canyouseeme.org/ to check to see what my external IP address. Regardless of what port I enter, it tells me that the port is blocked. I have a LinkSys router that basically has the default settings with the exception that I have WEP encrptin setup and I have forwarded a few ports, including 80 and 69. I forwarded them to the 192.x.x.103 IP address of the PC which is running IIS. That PC runs Symantec Endpoint Protection, which I right mouse clicked in the tray to Disable. These steps used to make my PC visible so I could host my own web site in IIS on port 80, or some other port, like 69. Yet, the Open Port tool cannot see my IP when it checks eiether port and when I navigate to http://my external ip/ I get "page cant be displayed" At first I was thinking that maybe Comcast is blocking port 80, but 69 doesnt work eiether. I do not see any other blockking set up in my router and, as I mentioned, I went with teh defaults except where discussed. This is a corporate PC and Symantec End Point Protecion is new to it (this previously worked on teh same PC with Symantec Protection Agent), but I thought that disabling Sym End Pt from the tray, that that would effectively neutralize it. I do not have the rights to kill the program itself. Any suggestions on what else to try to make my PC externally visible?

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• IE9 will not navigate to some websites but Google Chrome can

  - by Storchburp

  Was recommended by a friend to ask for help here. I am using Internet Explorer 9. As of two days ago I was suddenly unable to navigate to any part of the following websites: www.computerandvideogames.com www.deviantart.com www.cnet.com However I can still access all of them normally through Google Chrome. I am on a college network but these sites are also accessible through fixed terminals provided by the school and are definitely not blocked. I do not know of any other sites similarly affected. There is no popup, no error message, no diversion to a site telling me I can't access / am blocked etc. I can be on www.google.com and attempt to access these sites through the URL or google search, and my cursor will just show the little moving blue wheel next to the arrow for a couple of seconds, and the page displayed on my browser will not change; ie. not navigating at all. Running antivirus software, changing proxy settings in IE, clearing cookies, unplugging/plugging in computer, restarting PC etc have not changed the situation. Any assistance or advice would be greatly appreciated. Thanks in advance.

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• Problem configuring php-fpm with nginx

  - by Nisanio

  First of all: I'm not an expert in configuring things. This is very new for me, so, my apologies in advance. At work we have a Centos server. The guy who worked here before installed nginx. We need to made a php site, so, obviously, I need to set up php and make it work with nginx. Making short a very long tale, I had to replace the nginx binary with a new one (because the older was compile without fast-cgi), and I had to recompile and install php (because the new version has fpm). Then I struggle with the config files, making this nginx.conf (not all the file) user php; location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } and uncomment some parameters in php-fpm (to much to detail here, but the important is that group and user are "php") I never could start the php-fpm with the instructions of the book sudo /usr/sbin/php-fpm start But after look at the net, I found this sudo /usr/local/sbin/php-fpm --fpm-config=/usr/local/etc/php-fpm.conf This worked (I think) I restarted nginx. But... nothings happens with php... My calls to php files (via firefox) doesn't even appear in the log (/opt/nginx/logs/error.log) I'm really, really exhausted and lost... Could anyone help me, pleaaase.... :( Thanks in advance

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• Windows AD DNS: Event ID 5504

  - by Chris_K

  Two of my AD controllers (both running DNS service) appear to be having a similar issue. Both are throwing lots of events in the DNS events that look like this: Event Type: Information Event Source: DNS Event Category: None Event ID: 5504 Date: 5/24/2010 Time: 11:51:38 AM User: N/A Computer: ALPHA Description: The DNS server encountered an invalid domain name in a packet from 76.74.137.6. The packet will be rejected. The event data contains the DNS packet. That will come with the same event, same time, with a packet from 76.74.137.7 as well. I know this is "Information" not an error, but since it is new and different it bothers me (yes, I fear unexplained change!) Both machines are running Windows 2003 R2 SP2. The DNS servers are not exposed to the internet. Both DNS servers are configured to use OpenDNS for Forwarders. For both servers, this started about a week ago. Any thoughts on: 1) should I be concerned? 2) how can I stop/fix this? To keep it interesting, I have a 3rd AD / DNS box. Same domain, different Active Directory site. Same forwarders, yet doesn't have this issue.

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