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• setting up a proxy to mirror an SSH SOCKS connection

  - by aresnick

  I have two remote machines, remote1 and remote2. remote2 is only running sshd, and I can't run anything else on it. remote1 is a full-fledged server to which I have complete access. I can run a SOCKS proxy on remote2 via ssh -f -N -D *:8080 me@remote2 which lets me expose a SOCKS proxy on port 8080 on remote1. I'd like to authenticate this so that the proxy isn't sitting open. How can I do this? It seems like I should be able to use delegate, but I can't even seem to get its HTTP proxy functionality working. When I run delegated -r -P8081 SERVER=http PERMIT="*:*:*" REMITTABLE="*" I can't even get it to work on port 8081. Anyway, I was hoping someone could point me in the right direction to let me authenticate access to the SOCKS proxy connection? That is, I want to be able to point my browser's proxy at remote1 and browse the internet through the SSH SOCKS proxy/tunnel to remote2. squid doesn't support a SOCKS parent =( Thanks!

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• Samba server NETBIOS name not resolving, WINS support not working

  - by Eric

  When I try to connect to my CentOS 6.2 x86_64 server's samba shares using address \\REPO (NETBIOS name of REPO), it times out and shows an error; if I do so directly via IP, it works fine. Furthermore, my server does not work correctly as a WINS server despite my samba settings being correct for it (see below for details). If I stop the iptables service, things work properly. I'm using this page as a reference for which ports to use: http://www.samba.org/samba/docs/server_security.html Specifically: UDP/137 - used by nmbd UDP/138 - used by nmbd TCP/139 - used by smbd TCP/445 - used by smbd I really really really want to keep the secure iptables design I have below but just fix this particular problem. SMB.CONF [global] netbios name = REPO workgroup = AWESOME security = user encrypt passwords = yes # Use the native linux password database #passdb backend = tdbsam # Be a WINS server wins support = yes # Make this server a master browser local master = yes preferred master = yes os level = 65 # Disable print support load printers = no printing = bsd printcap name = /dev/null disable spoolss = yes # Restrict who can access the shares hosts allow = 127.0.0. 10.1.1. [public] path = /mnt/repo/public create mode = 0640 directory mode = 0750 writable = yes valid users = mangs repoman IPTABLES CONFIGURE SCRIPT # Remove all existing rules iptables -F # Set default chain policies iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP # Allow incoming SSH iptables -A INPUT -i eth0 -p tcp --dport 22222 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 22222 -m state --state ESTABLISHED -j ACCEPT # Allow incoming HTTP #iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT #iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT # Allow incoming Samba iptables -A INPUT -i eth0 -p udp --dport 137 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p udp --sport 137 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p udp --dport 138 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p udp --sport 138 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 139 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 139 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 445 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 445 -m state --state ESTABLISHED -j ACCEPT # Make these rules permanent service iptables save service iptables restart**strong text**

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• Opera 10.5 RAM usage and Google Reader?

  - by David

  Hi all, Today I upgraded to Opera 10.5 from Google Chrome and I have two really important questions about it. 1) Is it normal for it to use SO MUCH RAM!!!!? Closing tabs doesn't help, but opening new ones add on to the usage. I can have just 4 tabs open and it goes up to the 300MB mark and I only have 1.5GB in my laptop, 596MB of it used by the graphics card so this really unacceptable. Is there a way to fix it? 2) Why does Google Reader feel so slow and unresponsive on it? It lags so bad when I just try scrolling through the page. I know Opera is known for being really smooth while scrolling through pages. There's also a white bar at the bottom of the page that I can get rid of. It blocks the "Next" and "Previous" buttons. The test between articles is also sort of intersecting each other and that just looks completely unattractive and that's something i'm not used with any web browser. I realize there's a built-in RSS reader, but it doesn't sync across multiple computers and is very late at updating. Here are my specs: Windows 7 Ultimate (x86), Intel Pentium M 1.86 GHz, 1.5GB RAM, ATI Mobility Radeon X600 (64MB dedicated, 596MB shared)

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• Need troubleshooting advice for intermittent dns problems with requests on isp nameservers

  - by Mnebuerquo

  I've been having some intermittent dns problems with a web server, where certain isp's dns servers don't have my hostnames in cache and fail to look them up. At the same time, queries to opendns for those hostnames resolve correctly. It's intermittent, and it always works fine for me, so it's hard to identify the problem when someone reports connectivity problems to my site. My website is on a server running linux with Plesk. My dns records are configured with plesk (so my server is its own dns master). Domain name is registered with godaddy. I'm not real knowledgeable about dns, so I don't really know how to begin with troubleshooting. I've started learning to use dig, but while I can read the manpage to learn the syntax, I don't really know what questions to ask. Since the problem is intermittent I haven't been able to really catalog many symptoms. Symptoms I have observed: Certain people repeatedly reported intermittent problems connecting to my website. This was only from certain networks. (Ex: One guy could connect reliably from his office but not his home.) Sometimes I notice my browser taking a long time looking up the hostname for my site (Firefox shows a message in the status bar at the bottom). For me this is in the ten second range. ssh connections from anywhere to my server take a long time to connect but then seem to work fine once connected. So hopefully the folks on serverfault can point me to a good beginner tutorial for understanding dns, and suggest troubleshooting questions to ask next time one of my users reports connectivity problems.

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• Problems with image/file upload in MediaWiki on Windows 2008 Server R2, using wrong temp directory

  - by Lasse V. Karlsen

  I have installed MediaWiki 1.15.2 under IIS as per the MediaWiki installation instructions for Windows 2008 Server. I have configured PHP to use a specific temp directory: upload_tmp_dir="C:\php\uploadtemp" I have specified that MediaWiki is allowed to upload: $wgEnableUploads = true; But when I try to upload an image, I get this error message in my browser: Internal error Could not find file "C:\Windows\Temp\php1AEA.tmp". Retrying will simply give me a new filename, but in the same location. The directory does not have any php* files in it, but since they're "temporary", they might be gone in a flash before Windows Explorer is able to show them so that might be a red herring. I've googled for this, and the most promising lead I found was on this page: Image upload problem - Is this bug fixed?, but since the text says "a bugfix was posted on the bug-report page", but provides no link to which bug page this relates to (php or mediawiki) nor the actual bug report, I've not found conclusively the bug report in question so that didn't help me much. Lots of pages indicates that this is a permission issue, so I tried setting permissions on c:\windows\temp as Modify by Everyone, still no dice. I tried changing the two system environment variables TEMP and TMP to point to C:\Temp instead, but MediaWiki still complains about not finding the file in C:\Windows\Temp. Note that I don't care a lot about where the files will actually be stored temporarily, so c:\windows\temp is fine by me. I do, however, care about them actually being uploaded correctly. Does anyone know of a fix, have any leads I can follow, or whatnot? The server is running Windows 2008 Server R2, all patches installed, and the PHP installed is 5.3.2, using IIS FastCGI.

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• Window 7 image in vmware will allow network connection out but not http

  - by Ormis

  I am currently trying to create a set of images to deploy on my network, but I've run in to a snag. When I create my own Windows 7 image I can successfully use NAT for connecting to the network but whenever I try to access a webpage I get nothing. To be more specific, All firewalls/iptables are disabled on my host machine, my virtual machine, and my network. I can do lookups and all addresses respond correctly (i'm even using Google's DNS). On the host OS i have full connectivity. On the virtual machine I can ping any device I want and all addresses resolve correctly. Within a browser I cannot reach any page via hostname or IP. I feel almost like port 80 is being blocked but i can't find any reason this would be the case. If anyone has had this occur before, I would love some insight to the problem. I understand this question is a bit out of the norm for stackoverflow, but I've run out of ideas. Thank you for any help you can provide.

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• Tomcat web application intermittent freeze

  - by tinny

  I have a Grails web application (just a standard war file) deployed on a Ubuntu 10.10 server running on tomcat 6. My database is postgresql. The problem is that every so often (once or twice a day after inactivity) when I try to log into this web application it just freezes. I can navigate to the login page but when I try and login (first time the DB is hit, might be a clue..?) the application just freezes indefinitely, no 500 response code... the browser just waits and waits. I followed the instructions detailed here because the problem described sounded the same as mine. My GC logging showed no long running GC, all sub sec. When the application freezes a jmap heap output is... using parallel threads in the new generation. using thread-local object allocation. Concurrent Mark-Sweep GC Heap Configuration: MinHeapFreeRatio = 40 MaxHeapFreeRatio = 70 MaxHeapSize = 536870912 (512.0MB) NewSize = 21757952 (20.75MB) MaxNewSize = 87228416 (83.1875MB) OldSize = 65404928 (62.375MB) NewRatio = 7 SurvivorRatio = 8 PermSize = 21757952 (20.75MB) MaxPermSize = 85983232 (82.0MB) Heap Usage: New Generation (Eden + 1 Survivor Space): capacity = 19595264 (18.6875MB) used = 11411976 (10.883308410644531MB) free = 8183288 (7.804191589355469MB) 58.23843965562291% used Eden Space: capacity = 17432576 (16.625MB) used = 9249296 (8.820816040039062MB) free = 8183280 (7.8041839599609375MB) 53.05754009046053% used From Space: capacity = 2162688 (2.0625MB) used = 2162680 (2.0624923706054688MB) free = 8 (7.62939453125E-6MB) 99.99963008996212% used To Space: capacity = 2162688 (2.0625MB) used = 0 (0.0MB) free = 2162688 (2.0625MB) 0.0% used concurrent mark-sweep generation: capacity = 101556224 (96.8515625MB) used = 83906080 (80.01907348632812MB) free = 17650144 (16.832489013671875MB) 82.62032270912317% used Perm Generation: capacity = 85983232 (82.0MB) used = 62866832 (59.95448303222656MB) free = 23116400 (22.045516967773438MB) 73.1152232100324% used Anyone know what "From Space:" is? Any ideas on further fault finding ideas? I dont have much experience with this type of fault finding.

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• Can't get port based virtual hosts working in Apache2.2 CentOS 5.2, Plesk 8.6

  - by soopadoubled

  I have installed Google Sitemap Generator on my CentOS server, which is running plesk 8.6. Google Sitemap Generator adds an include to an external conf in my httpd.conf as follows: Listen 8181 NameVirtualHost *:8181 <VirtualHost *:8181> DocumentRoot "/usr/local/google-sitemap-generator/admin-console" ScriptAlias /cgi-bin/ "/usr/local/google-sitemap-generator/admin-console/cgi-bin/" <Directory "/usr/local/google-sitemap-generator/admin-console"> Allow from all Options ExecCGI DirectoryIndex index.html </Directory> </VirtualHost> LoadModule google_sitemap_generator_module /usr/local/google-sitemap-generator/lib/mod_sitemap.so After installation I should be able to navigate to myserverip:8181 and access the GSG console. Unfortunately my browser throws up "Safari can’t open the page “http://myserverip:8181/” because the server where this page is located isn’t responding." I've checked the port with netstat and nmap, and it's open and listening. I've added a rule to allow traffic on 8181 in iptables, but no joy. Is there anything obvious I could be missing? Any ideas would be greatly appreciated. Cheers, Ian

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• How to prevent getting infected by rogue security applications

  - by Ieyasu Sawada

  My computer never got infected with a virus before, because I'm using Web of Trust browser plugin, sandboxie and Avast Free antivirus. But today, it got infected with a rogue security application called antivirus.net. I have already removed it using MBAM, SAS, and Kaspersky Virus Removal Tool. And by the way, I was using MSE when my laptop got infected. Seems like the rogue application just killed off the MSE process. And I never even got a warning. I was using the wi-fi from our school, which I think is the cause since most of the computers in our laboratory has rogue applications on it. My question is, how do I prevent this from happening again? It took me about 6 hours to disinfect my computer and I don't want it to happen again. Please enlighten me if these rogue applications really just pop out of nowhere. Note I'm not dumb enough to agree with installing rogue security applications. It just came out of nowhere. I'm happy with MSE, well not after it let antivirus.net penetrate my computer. I've done a little bit of research and it says that it needs the permission of the user to actually install it in the computer: http://www.net-security.org/malware_news.php?id=1245 http://en.wikipedia.org/wiki/Rogue_security_software Is it possible that other computers in our school network have agreed to install those? Or maybe the network admin?

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• Cleaning a proxy/phishing trojan from Windows XP computer

  - by i-g

  I am trying to remove an interesting trojan from a Windows XP computer. It manifests itself as a phishing page (screenshot linked) that appears after the user tries to log on to eBay. So far, I haven't found any other web sites that are affected. As you can see, the trojan intercepts browser connections (all installed browsers are affected) and injects this phishing page. The address looks like it's ebay.com, but HTTPS verification doesn't work (no lock icon or green bar in Firefox.) At some point, Trojan.Dropper appeared on the computer. I removed it with Malwarebytes Anti-Malware. Although it reappeared several times, it seemed to be gone after I booted into Safe Mode and did a full system scan with MBAM. Now, however, a different trojan has appeared on the machine; I suspect it was installed by Trojan.Dropper. So far, MBAM, Ad-Aware, and Spybot S&D have been unable to remove it. I've looked for it in the HijackThis log but haven't found anything conclusive. Has anyone run across a trojan like this before? Where would I start looking for it to remove it manually? Thank you for reading.

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• 502: proxy: pass request body failed

  - by Andrei Serdeliuc

  Sometimes I get the following error (in apache's error.log) when viewing my site over https: (502)Unknown error 502: proxy: pass request body failed to xxx.xxx.xxx.xxx:443 I'm not entirely sure what this is and why it happens, it's also not consistent. The request route is: Browser Proxy server (apache with mod_proxy + mod_ssl) Load balancer (aws) Web server (apache with mod_ssl) The configuration on the proxy server is as follows: <VirtualHost *:443> ProxyRequests Off ProxyVia On ServerName www.xxx.co.uk ServerAlias xxx.co.uk <Directory proxy:*> Order deny,allow Allow from all </Directory> <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> ProxyPass / balancer://cluster:443/ lbmethod=byrequests ProxyPassReverse / balancer://cluster:443/ ProxyPreserveHost off SSLProxyEngine On SSLEngine on SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL SSLCertificateFile /var/www/vhosts/xxx/ssl/www.xxx.co.uk.cert SSLCertificateKeyFile /var/www/vhosts/xxx/ssl/www.xxx.co.uk.key <Proxy balancer://cluster> BalancerMember https://xxx.eu-west-1.elb.amazonaws.com </Proxy> </VirtualHost> Any idea what the issue might be?

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• Apache start failing after apache config modifications, showing syntax error, cannot load php5apache2_2.dll into server

  - by Sandeepan Nath

  I am stuck again with apache setup guys. I am working on a Windows 7 system. I copied the working php5 installation directory from teammates, copied the necessary .dll files from inside php5 installation folder (like they were in the working setup of teammates) to my windows/system32/. Apache server started successfully with the default apache config file. I was able to access localhost in browser. But php code was not parsing. I noticed no such line like the following in the apache config file:- # PHP5 module LoadModule php5_module D:/php5/php5apache2_2.dll If I add this line, apache server start fails. Running test configuration gives the following error - httpd.exe: Syntax error on line 60 of C:/Program Files (x86)/Apache Software Foundation/Apache2.2/conf/httpd.conf: Cannot load D:/php5/php5apache2_2.dll into server: The specified procedure could not be found. But the dll file is there in the specified location and I have given all permissions to the current system user to the php5 installation directory. The same line also appears in the apache error log, though I am not sure when exactly logs are written to the log file. I am confused if log entries are not made if I have opened the log file for reading? lol ... because I could not observe a pattern in when entries are made. I saw some log entries being made, some not. Oh, why is apache setup such a headache always????

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• Install mod_perl2 on Apache 2.2.14 (Ubuntu10.04)

  - by MICADO

  I have installed via synaptic package ibapache2-mod-perl2. I tried this line in httpd.conf: "LoadModule perl_module modules/mod_perl.so" Apache tells me when I reload the server : "[warn] module perl_module is already loaded, skipping". Well ok, but when i try to look in the browser to a repertory i don't have access .Apache send me the error : Forbidden You don't have permission to access /cgi-bin/ on this server. Apache/2.2.14 (Ubuntu) Server at 192.168.0.10 Port 90 But this should show modperl is installed and that's not the case... I would like my virtual host that follows run with mod_perl2 <VirtualHost v1:80> ServerAdmin webmaster@localhost ServerName v1 DocumentRoot /var/www/v1 <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/v1/html/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /var/www/v1/cgi-bin/ <Directory "/var/www/v1/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> I'd like to know how to configure mod_perl2. Do i have to change something in the apache configuration file to make my cgi repertory works with mod_perl2? Thanks to any help!

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• Where can I find a useful multi-language Unicode font for Mac OS X?

  - by Stephen Jennings

  On every browser I've tried (Firefox, Safari, Chrome, and Omniweb), when I go to a web page containing somewhat less-common characters, I can't see the glyphs. For example, on the Wikipedia page for the Bengali Language, the very first line contains a string of squares; on Windows, I can see the Bengali writing. Firefox does display code points on the Coptic Language article, but not Bengali. I'm not sure why. On Windows, as long as I have the Arial Unicode MS font installed, these characters fall back to that font and display properly. Mac OS X doesn't seem to ship with a font containing these Unicode characters (it has Arial Unicode MS, but it must be a subset of the Windows version because Bengali doesn't display in that font). I checked on my Snow Leopard DVD and I installed "Additional Fonts" from the Optional Installs package, but I'm still missing many languages. Is there any good, free font that contains a large collection of languages? I know creating fonts is difficult and time-consuming, but it seems like including at least one font like this with operating systems should be standard by now.

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• Apache2 random 403 error & info server busy logs on Ubuntu

  - by risyasin

  Hello, I have a strange situation with apache2. Meanless, random 403 errors. Any page (html, php etc.) normally working. but if i request repeatedly by pressing refresh button of browser. it interrupts & sends a 403 randomly. after a few seconds it works again. in the error log, i see client denied by server configuration. main error log of apache says [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 99 idle, and 137 total children my current values IfModule mpm_prefork_module StartServers 120 MinSpareServers 100 MaxSpareServers 200 MaxClients 256 MaxRequestsPerChild 500 /IfModule i've increased 10 by 10. from 20. but nothing solved. i've disabled KeepAlive. What may cause this problem ? thank you in advance. a fresh install Ubuntu server x86 8.04.4 Virtualmin from it's website (not from debian repositories). Linux 2.6.24-27-server #1 SMP i686 - Apache 2.2.8 Mpm prefork Virtualmin version 3.78.gpl GPL PHP Version 5.2.4-2ubuntu5.10 Loaded modules: core_module (static) log_config_module (static) logio_module (static) mpm_prefork_module (static) http_module (static) so_module (static) actions_module shared) alias_module (shared) auth_basic_module (shared) auth_digest_module (shared) uthn_file_module (shared) authz_default_module (shared) authz_groupfile_module (shared) uthz_host_module (shared) authz_user_module (shared) autoindex_module (shared) ache_module shared) cgi_module (shared) deflate_module (shared) dir_module (shared) env_module (shared) expires_module (shared) fcgid_module (shared) file_cache_module (shared) eaders_module (shared) mime_module (shared) mime_magic_module (shared) evasive20_module shared) negotiation_module (shared) php5_module (shared) rewrite_module (shared) etenvif_module (shared) ssl_module (shared) status_module (shared) Syntax OK

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• Apache times out after 2 minutes, when Apache TimeOut is 120

  - by Robert Gowland

  We have a set up where the browser makes an http request to Box A which in turn makes an http request to Box B. What we're encountering is that Box A waits for Box B to respond for two minutes then the users sees: The page cannot be displayed Explanation: There is a problem with the page you are trying to reach and it cannot be displayed. Try the following: * Refresh page: Search for the page again by clicking the Refresh button. The timeout may have occurred due to Internet congestion. * Check spelling: Check that you typed the Web page address correctly. The address may have been mistyped. * Access from a link: If there is a link to the page you are looking for, try accessing the page from that link. Technical Information (for support personnel) * Error Code: 404 Not Found. The requested item could not be located. (12028) Watching the logs on Box B we see that it takes 5 minutes to do the work requested. The problem is that the apache time outs on both boxes are set 1200 (20m), not 120 (2m). Any ideas where to look?

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• .htaccess authorization requiring username/password for every resource

  - by webworm

  I am using Apache2 on Ubuntu and I have having some "weird" user authorization issues. I am using .htaccess to control access to my directories. I have many users and have grouped them into user groups which are defined in a "group" file. I then use .htaccess within each directory to define which users have access to the directory and which do not. Here is an example .htaccess file. AuthUserFile /var/local/.htpasswd AuthGroupFile /var/local/groups AuthName "Username and Password Required" AuthType Basic require group design admin Everything is working with one exception. I added a new user to one of my groups and though they can gain access to the directory they are prompted for a username and password for every resource (i.e. image, CSS). After a while I can just keep selecting "cancel" and I will get a page with just html with no images or CSS. I would think the browser would just cache the username/password. It seems to be working well for other users. Any thoughts?

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• .htaccess authorization requiring username/password for every resource

  - by webworm

  I am using Apache2 on Ubuntu and I have having some "weird" user authorization issues. I am using .htaccess to control access to my directories. I have many users and have grouped them into user groups which are defined in a "group" file. I then use .htaccess within each directory to define which users have access to the directory and which do not. Here is an example .htaccess file. AuthUserFile /var/local/.htpasswd AuthGroupFile /var/local/groups AuthName "Username and Password Required" AuthType Basic require group design admin Everything is working with one exception. I added a new user to one of my groups and though they can gain access to the directory they are prompted for a username and password for every resource (i.e. image, CSS). After a while I can just keep selecting "cancel" and I will get a page with just html with no images or CSS. I would think the browser would just cache the username/password. It seems to be working well for other users. Any thoughts?

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• PDF to HTML - batch converter - most reliable and accurate free AND paid for software?

  - by therobyouknow

  I'm look for either a free or paid-for (about 50$/40pounds) BATCH PDF to HTML converter to convert several PDF files at once. Needs to be able to handle vectored and bitmap images within the file, outputting both as jpegs referenced by the html pages. I've tried iorigsoft paid-for PDF to HTML - problems it seems to hang or just go idle, and the stuff it actually converts have broken links - the wrong name is used for constituent chapters as html. Also tried application from intrapdf.com but this crashes near the beginning of the conversion, consitently. Update: intrapdf works on my Windows XP machine but not on my Windows 7 machine. The only glitch is with the framed index contents html - the graphics in the page do not display in the page in the frame - but if you open the frame only in a new tab then you can see them. That might be a browser glitch in chrome only. This solution is good enough for me - given that I've already spent the money (I had spent before I asked) but I can't accept my own answer as this does not work on Windows 7. Looked at opensource tools but they look equally flakey or use old PDF versions. Need it on Windows 7 32bit home. Thoughts?

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• Can't connect to public WiFi with MacBookPro at coffee shops and libraries

  - by Nathan Bowers

  The Problem: I can't connect to public, unencrypted WiFi at my local public library or Peets Coffee. My Setup: Late 2006 MacBookPro running 10.5.8. I have Parallels installed. It's supposed to work like this: 1) Connect to their unencrypted WiFi network 2) Open a browser which redirects you to their "enter password/agree to terms" page. 3) Browse normally. I can connect to the WiFi network, but when I try to authenticate I always get stuck in a redirect loop. It's been like this for a while. Even before I upgraded to 10.5.8. I never have trouble with encrypted networks or regular open WiFi. What I've tried: Disabling Parallels connections in Network Prefs. Superstition: somehow Parallels installed something in the network stack that's messing me up. Pinging the IP address of the WiFi node I'm connected to. I can ping it, it's there, but I still get stuck in this authentication redirect loop. Tried different browsers, tried different cookie and security settings. Even tried IE under Parallels. No dice. Tried flushing DNS cache. Asked library and coffee employees for help. It didn't go well. My Question: Anybody else have this problem? What should I be looking for?

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• User Receiving Partial Downloads

  - by JGB146

  Some background: I run a subscription-based poker strategy video website. Our videos range in length from 30 mins up to 80 mins, and in size from 20MB up to 500MB. The site is on a shared server with hostmonster.com One of my users is having problems downloading some of the larger video file. He reports problems with anything over 100MB. Basically, he's only getting part of the file, which means that the video stops before the end. He has tried multiple computers from multiple locations. He reports that he is able to successfully download 500MB files from other sites. He is using Internet Explorer (version unknown) as his browser. I have suggested that he try Firefox or Chrome to see if their download managers work any better for him, but as of yet I have not heard anything back. He has also reported that his downloads do not report any filesize. I see the same thing (no file size reported), but I have not experienced any problems with the downloads themselves. We pass the downloads through a php script which verifies login information and records the download to our database before returning the file. I suspect this is why there is no filesize reported. What else should I ask the user? What other things could he or I try?

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• Networking problems in VMWare with wireless bridge

  - by Robert Koritnik

  Barebone data: virtualization: VMWare Workstation 6.5 (latest) Host: Windows Server 2008 x64 Guest: Windows Server 2008 x86 Host network adapter: Ethernet (see comment) Host network adapter: Wireless (see comment) Guest ethernet network adapter 1: Bridged VMNet (automatic) Guest ethernet network adapter 2: Host only VMNet comment: my host has LAN and Wifi but only one at the same time. I'm either wired or wireless. Never both. So bridged connection on VM goes either via wire or air. Problem When I'm wirelessly connected on the host and I access internet within VM my connection just gets stalled (not dropped). It doesn't experience any timeout whatsoever, it just stops downloading/communicating. For instance: I start downloading a file with a browser (IE/FF/CR doesn't matter) and I have to pause/restart download when speed drops to 0. I could wait indefinitely but connection won't pick-up automatically. What did I miss in my network configuration? Update 1 I've tested this in various combinations. This works fine when host is connected via Ethernet. But when host is connected via Wifi, the connection on the guest works as previously described. It connects fine. It gets a valid IP from DHCP... Everything is cool as long as you don't start doing some intensive network traffic (ie. download a 2MB file) In this case it starts downloading and stops after a while. Speed just drops to 0B/s... Sometimes it picks up back, sometimes it doesn't. Connection still stays and works. I can ping around with no problem.

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• configure Squid3 proxy server on Ubuntu with caching and logging

  - by Panshul

  I have a ubuntu 11.10 machine. Installed Squid3. When i configure the squid as http_access allow all, everything works fine. my current configuration mostly default is as follows: 2012/09/10 13:19:57| Processing Configuration File: /etc/squid3/squid.conf (depth 0) 2012/09/10 13:19:57| Processing: acl manager proto cache_object 2012/09/10 13:19:57| Processing: acl localhost src 127.0.0.1/32 ::1 2012/09/10 13:19:57| Processing: acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 2012/09/10 13:19:57| Processing: acl SSL_ports port 443 2012/09/10 13:19:57| Processing: acl Safe_ports port 80 # http 2012/09/10 13:19:57| Processing: acl Safe_ports port 21 # ftp 2012/09/10 13:19:57| Processing: acl Safe_ports port 443 # https 2012/09/10 13:19:57| Processing: acl Safe_ports port 70 # gopher 2012/09/10 13:19:57| Processing: acl Safe_ports port 210 # wais 2012/09/10 13:19:57| Processing: acl Safe_ports port 1025-65535 # unregistered ports 2012/09/10 13:19:57| Processing: acl Safe_ports port 280 # http-mgmt 2012/09/10 13:19:57| Processing: acl Safe_ports port 488 # gss-http 2012/09/10 13:19:57| Processing: acl Safe_ports port 591 # filemaker 2012/09/10 13:19:57| Processing: acl Safe_ports port 777 # multiling http 2012/09/10 13:19:57| Processing: acl CONNECT method CONNECT 2012/09/10 13:19:57| Processing: http_access allow manager localhost 2012/09/10 13:19:57| Processing: http_access deny manager 2012/09/10 13:19:57| Processing: http_access deny !Safe_ports 2012/09/10 13:19:57| Processing: http_access deny CONNECT !SSL_ports 2012/09/10 13:19:57| Processing: http_access allow localhost 2012/09/10 13:19:57| Processing: http_access deny all 2012/09/10 13:19:57| Processing: http_port 3128 2012/09/10 13:19:57| Processing: coredump_dir /var/spool/squid3 2012/09/10 13:19:57| Processing: refresh_pattern ^ftp: 1440 20% 10080 2012/09/10 13:19:57| Processing: refresh_pattern ^gopher: 1440 0% 1440 2012/09/10 13:19:57| Processing: refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 2012/09/10 13:19:57| Processing: refresh_pattern (Release|Packages(.gz)*)$ 0 20% 2880 2012/09/10 13:19:57| Processing: refresh_pattern . 0 20% 4320 2012/09/10 13:19:57| Processing: http_access allow all 2012/09/10 13:19:57| Processing: cache_mem 512 MB 2012/09/10 13:19:57| Processing: logformat squid3 %ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru 2012/09/10 13:19:57| Processing: access_log /home/panshul/squidCache/log/access.log squid3 The problem starts when I enable the following line: access_log /home/panshul/squidCache/log/access.log I start to get proxy server is refusing connections error in the browser. on commenting out the above line in my config, things go back to normal. The second problem starts when i add the following line to my config: cache_dir ufs /home/panshul/squidCache/cache 100 16 256 The squid server fails to start. Any suggestions what am I missing in the config. Please help.!!

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• Nginx proxy domain to another domain with no change URL

  - by Evgeniy

  My question is in the subj. I have a one domain, that's nginx's config of it: server { listen 80; server_name connect3.domain.ru www.connect3.domain.ru; access_log /var/log/nginx/connect3.domain.ru.access.log; error_log /var/log/nginx/connect3.domain.ru.error.log; root /home/httpd/vhosts/html; index index.html index.htm index.php; location ~* \.(avi|bin|bmp|css|dmg|doc|docx|dpkg|exe|flv|gif|htm|html|ico|ics|img|jpeg|jpg|js|m2a|m2v|mov|mp3|mp4|mpeg|mpg|msi|pdf|pkg|png|pps|ppt|pptx|ps|rar|rss|rtf|swf|tif|tiff|txt|wmv|xhtml|xls|xml|zip)$ { root /home/httpd/vhosts/html; access_log off; expires 1d; } location ~ /\.(git|ht|svn) { deny all; } location / { #rewrite ^ http://connect2.domain.ru/; proxy_pass http://127.0.0.1:8080/; proxy_redirect off; proxy_hide_header "Cache-Control"; add_header Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0"; proxy_hide_header "Pragma"; add_header Pragma "no-cache"; expires -1; add_header Last-Modified $sent_http_Expires; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } I need to proxy connect3.domain.ru host to connect2.domain.ru, but with no URL changed in browser's address bars. My commented out rewrite line could solve this problem, but it's just a rewrite, so I cannot stay with the same URL. I know that this question is easy, but please help. Thank you.

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• DNS, subdomain, and IPv6 -- possible to add subdomain.example.com NS record to an IPv6 host?

  - by mpbloch

  example.com is listed with a registrar -- specifically, answerable.com. I want to host a subdomain in-house, specifically home.example.com. I am using an ipv6 gateway, specifically gogo6, to have a public IPv6 address. The IP address looks like 2001:xxxx:xx47. Then http://[2001:xxxx:xx47] goes to my test site (an instance of IIS7). I can add a quad-A record for my primary site -- home.example.com AAAA 2001:xxxx:xx47. Then http//home.example.com loads correctly. Must I add an A or quad-A record for all sub.home.example.com to my answerable.com DNS manager for example.com? Or can I delegate DNS queries to *.home.example.com to the machine at [2001:xxxx:xx47]? I have tried to add a AAAA record for tunnel.example.com to [2001:xxxx:xx47], and then add an NS entry for home.example.com to tunnel.example.com, but browsing then results in "DNS lookup error" from my browser. Is this a configurable scenario? Can DNS for subdomain only be delegated to IPv4 addresses?

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