Fedora Servers :: SQUID Slow / Debugging It?
Apr 30, 2010
I have squid running on F12 fully updated. Pretty much stock config except bigger cache size.
Over time it seems to start lagging and occupying more memory. Currently using ~400Mb after a couple of months. I'm sure its causing some lag / refreshes because if I turn if off and go direct to internet the same site I had to hit refresh on, loads instantly.
Going through the logs in /var/log/squid I don't see anything suspicious with the untrained eye, whats a better way of debugging it to see where/why the delays are happening? Its a single user setup (for fun really lol) so theres a lot of misses in access.log. cache.log just has a handful of bad img headers which does not line up with lagging websites.code...
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Jan 10, 2010
I just set up squid for the first time. I have zero experience with proxy servers. I used this guide:[URL](I also looked at a few other guides such as this one:ttp://ubuntuforums.org/showthread.php?t=320733. However, I wanted to most barebones config to start with and the link I used was the simplest.)So now that I have it set up, I'm testing it with FoxyProxy. It is not working well. I went to speedtest.net. The download and ping tests were just as fast as without the proxy, but the upload test fails completely.Furthermore, many web pages load very slowly or not at all. So performance is very mixed, but mostly poor.
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Apr 22, 2011
everytime if more that 10-15 people using internet at same time squid proxy slow to responde everyweb just keep loading and here my squid proxy settings
1 nic
squid proxy 2.7 stable 9
ubuntu 64bit
intel duo core
[Code]...
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May 21, 2009
Does anyone know how can one improve his debugging skills or how can one narrow down the problem and try to get to the solution ASAP.Or rather how once should approach a problem.I know this is a bit vague question but I want to know how you people approach?
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Feb 17, 2011
I am trying to find some ideas on debugging clients and servers. For example, what would be -really great- is to
1. start a debugger with a server (running on a port)
2. start up the client (using a debugger).
Run the client and then trace the processing from the client side to the server side.
How can one accomplish this?
I have downloaded valgrid and Qt Creator - but not sure how one can use both.
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Mar 4, 2009
I am running fedora 10 and webmin squid proxy server, after power failure the squid fails to start. i have tried to start it from command line but failed
[root@ ~]# /etc/init.d/squid start
Starting squid: .................... [FAILED]
[root@ ~]# /etc/init.d/squid reload
[code]....
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May 11, 2010
I have 4 servers running squid/3.1.1 proxy server. Since the latest version I can no longer FTP. I have posted this problem in multiple places but have received almost no response. I've found several other post to this problem throughout the Internet which have also gone unanswered. So, once again, I thought I'd give it a try. As I said "I have 4 servers running the newest version of Squid". When I try to access an ftp, any ftp, I receive an error (check attached image). This was never a problem until just recently. Squid should work perfectly find with ftp, it is not a strictly http proxy.
I turned my firewall off just to make sure, still had the same issue. If I jump directly on the server itself with no proxy settings set in the browser it will work fine. As soon as I set the browser setting to access the Squid software I get the same error. I've included my squid config (which is unchanged from the default settings), maybe somebody better versed than myself can point out an obvious flaw. Everything else seem to work just fine, it's only FTP that's a problem.
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Mar 14, 2011
I have a reverse proxy set up with squid. I'm going to try and explain what it's doing and I apologize for it being confusing, I'll do the best I can to describe my problem. First, it's for our phone system. We run a ShoreTel Voip system. The owner has decided he wants me to setup MCM (Mobile Call Manager), which from what I can see is an under developed, and almost impossible to get help with Shoretel software. But he's convinced he needs it for his Iphone. It's supposed to, in a nutshell, turn his Iphone into his work phone with all the advantages and doodads that come with it. Apparently, "they have an app for that". On the server side, I need to setup a reverse proxy back into the network on our phone server. Simple enough, I did this with squid. I used the following lines:
Code:
http_port 80 accel defaultsite=172.17.137.7
cache_peer http://172.17.137.7 parent 80 0 no-query originserver name=myAccel
acl our_sites dstdomain http://172.17.137.7
[code]....
Code:
always_direct allow all It most definitely is allowing traffic back to the phone server, the problem is, it hands out my internal server address to the outside client. So for instance, if I connect to the outside routable address with my phone, it will immediately change the url to http://172.17.137.7 which is the inside nat address of my phone server. Which of course doesn't work, since I couldn't browse to that address from the outside. It does however work from the inside of the network, obviously because 172.17.137.7 is accessible from the inside.
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May 13, 2011
I want to configure squid server with SSL so that users send clear text username/password and also data in encrypted mode. i googled but all of the configuration is for reverse proxy not requests from users to proxy server in LAN for example.
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Jul 14, 2011
I need the complete reference guide to set up my own SQUID transparent proxy Server with Gateway support. I am using Fedora 14. Please help me with LINKS/REFERENCE. I am a learner in Squid.
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Jul 14, 2011
I am working in a office where only one internet connection available. I have configured 5 other client machines to use internet through squid proxy server. Now I want to restrict the total data usage/transfer (upload+download) to say 1 GB during a calender month. How can I achieve this setting.
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Jul 27, 2011
I have configured router(192.168.1.2) to serve only one machine with IP - '192.168.1.6' and set up SQUID proxy on '192.168.1.6'. I have defined some rules(ACL) regarding connections to internet on SQUID proxy.
I changed the Gateway of rest of machine (192.168.1.60 - 192.168.1.69) from '192.168.1.2' to '192.168.1.6'.
The policies which I defined in SQUID is working properly but 'Linux Evolution mail' client is not fetching mails.
Is I have to do any other settings on 'Linux System' or 'Evolution mail client'.
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Mar 16, 2011
I've been using squid-cache for a long time for authentication/authorization. It has work fine for years, but now it starts working too slow only in one computer (the others, works fine).
It's configured as a reverse proxy.
I see it can be a DNS problem, but the computer is configured with the same dns servers in resolv.conf that the other computers have.
I use squid 2.6.stable14 on RHEL 4.4.
If I restart the service (service squid restart) it works fine, but 15-20 minutes later, the problem repeats.
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Nov 9, 2010
I am using Redhat linux 9.0 and using squid proxy server.My problem is tht i my squid server is responsing very slowing. whenevr i try to open sites the site starts to open after 3 or 4 seconds and often squid does not open the complete site. its stop the site in middle. My squid Configurtion is below. Is there any need to tune the system parameters Like from 'SYSCTL.conf' for better diskd performence or another problem. at this time i am using default system parameters. Please help me in detail what is the reason of squid slow performence if there ia a need of any system tuning please tell me in detail. I am very thankfull to you.I am really worried about slow performence of the squid. I also try to offline_mode on but the same problem. code...
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Apr 4, 2010
Slow access to web site using squid and Internet explorer.I am trying to troubleshoot an issue I am stuck on. We have a website that is loading .htm documents extremely slow when using Internet Explorer 8 behind Squid. When we bypass the proxy and go directly out to the internet all is fast and pages load fine.But when the proxy is on documents will take sometimes up to 6 minutes to load.This issue is only apparent using Internet explorer 8.I do not see the issue when using firefox with Squid.I have tried to use the no_cache directive thinking it may have been the cache but that didn't work either.I am attaching our access.log, store.log and squid.conf.
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Nov 6, 2010
I have configured a squid proxy server with @2 eth in different network subnet and with site blocking and extn file download blocking. One eth0 for office wired network and another eth1 is for office wireless network for laptop use for guest and visitors.
The problem is [URL] is an Indian government website, which is not working though this proxy server and the Internet Explorer is getting very slow and freezing the computer. In alternate I have configured a another test server with squid proxy with out any security and test the same. the problem is still with the all the computer in the network. The above website is perfectly working with Gateway configuration in TCP/IP properties in Network Configuration in MS Windows XP computers but through squid proxy its not working.
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Mar 18, 2010
I have a FC12 machine installed with CUPS and a CUPS-PDF printer. Printer are shared and works fine with this URL:
[URL]
I have both client machine Windows XP and Windows 7. Both has setup the above printer and print fine without any problem. I can get the PDF file from windows test print. The only problem is I face is wait for around 20 seconds for printer dialog prompt out when I press print button in Windows 7. However, my windows XP never t have this problem. The printer dialog prompt out immediately when I press print button.
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Jun 5, 2011
i'm not sure if this is because i'm having problems with my Raid setup, which mysql is running on, or if it is unrelated, but is anyone else noticing that mysql is VERY slow on Fedora 15?
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Dec 24, 2010
I am trying to do remote debugging of kernel 2.6.30 form fedora 11 (2.6.29).For this gdb and kgdb are there in the kernels. But am not able to use it.I have not any manual for this.so plz tell me the procedure of remote debugging.
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Mar 27, 2010
My system clock loses about 10 seconds every minute. The hwclock is fine. I've tried different kernel args (clocksource=acpi_pm, nohz=off, highres=off). None of these have any effect. I am running Fedora 11 with kernel 2.6.30-105.2.23.fc11.x86_64 on an AMD Istanbul node (Processor 2439 SE).
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Jan 1, 2009
I'm relatively new to Linux, but willing to take a plunge and climb the steep learning curve! I've recently installed Fedora 10 on a spare box I'd like to have running in the lounge by the TV as a TV recorder. Before starting out with MythTV, I would like to get the box running the basics... and hit no major snags with display / audio drivers. I've finally managed to connect to the box via VNC from my macbook over the wireless network. The Apple standard client is slow over wifi, so have started using 'Chicken of the VNC' as the client. At the server end, I intalled vnc-server via yum. I've also tweaked things in ~/.vnc/xstartup so that my default window manager over vnc is gnome.
[Code]....
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Jan 31, 2010
I am having a problem with lockups on a new FC12 box (dual core 3 ghz, 4 gb memory,HDPVR,nvidia 8400gs). This happens reliably when replaying MythTV videos, but also randomly at other times using other apps (I suspect also boot but I can't be sure; it just occasionally stalls part way through the boot display).
Usually but not always this is accompanied by a kernel panic (caps lock + scroll lock lights flash on keyboard).
I did a core dump with kdump and it reports:
Thread 1 (<main task>):
Cannot access memory at address 0xffff880028025b70
I am in the process of running memtest86+ right now, and it's been through several passes without errors. I know it needs to run more, but given the reliability of this problem with MythTV video playback I am wondering if the problem could be in the video card memory.
Does anyone know of a linux (or bootable) tester for video memory? All I am able to find are some things for windoze like this.
Also is there any way to track that address from the core dump back to a physical location?
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Feb 23, 2011
I have tried many times for squid proxy cache server on10.10.But invain.
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Jun 3, 2010
I am an avid ubuntu desktop user, however I started working at a company that runs their firewall, mail and proxy server on centos 5.2, all was working well so never needed to tamper with it, however we (myself and the administrator) randomly decided to install squid3 for its features, the install went well, however squid3 didnt run as we wanted it to, after looking into it reading some material on the net, we realised how stupid we were to not to test it -sigh- so weve purged and removed it and reverted back to 2.6, now however we even have issues with that too, we install squid 2.6 and start the service and we get errors that stop, and starting fail, however the status of squid shows its running. How to get it back to working order?
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Mar 12, 2011
I have installed ubuntu in my system .Squid is by default in it. I want to compile delay_pools feature in squid.Normally we download source code file in tar.gz format ,uncompressed itand then install it. If we want to compile any thing we can also do it.Here in my case there is already squid installed during installation process.
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Jan 18, 2010
I'm migrating an old squid installation that use "httpd_accel_host" directive to archive the acceleration configuration. What I have is lot internals web servers published through an squid to the rest of the world, some of then http and others https. I try using https_port but when restart squid I get the following message: parseConfigFile: squid.conf:1202 unrecognized: 'https_port'
[Code]....
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Feb 17, 2010
How do i exclude some URL from the proxy caching at squid.conf as i dont wont to cache ....., mediacafe etc, I know i can block site by create a file like bad-sites.acl, then adding it to squid.conf but that blocks it.
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Apr 28, 2010
I've been having a hard time googling and trying to get ALL network connection to be redirected to squid proxy. I couldn't find a proper configuration for ufw or iptables. The ideas are:
1. redirection rule should NOT depend on a specific network inteface, but should work with any connection type, ex.: ppp0 or eth0... 2. firewall rules can be for firehol, iptables, or ufw (the same as iptables, just tell me where to place them). Preferably ufw or gufw. 3. should not interfere on cups web interface and lighttpd server.
BTW: it's not a ubuntu server install
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Aug 2, 2011
I am trying to set up a SQUID server on my Red Hat Linux 7.3. to act as a cache server.
The machine has 2 network interface:
eth0 172.30.254.4/23
eth1 172.3.254.65/23
Default gateway is 172.30.254.19/23
The hostname is "amelie".
[Code].....
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Jan 5, 2010
I've been all around the net and can't find a "simple" answer how to block our LAN users from downloading torrents. Is it really that difficult?
Here's our setup:
1. The Server's Configs:
2. sudo gedit /etc/squid/squid.conf
3. sudo gedit /etc/rc.local (to start Firewall rules on bootup)
4. Server NOT a DHCP Server
5. No other iptables rules are configured, just the above ones.
Before in a 1 NIC setup, I blocked Workstations MAC addresses in the Router + Squid Proxy Server (Not Transparent), it worked, but some Online Java Apps didn't work and users can't send/receive email so I abandoned the method.
Now, I installed transparent Squid Proxy with 2 NIC cards, it works, but workstations can still download torrents! I know Squid doesn't block ports, right? So the answer must lie in Iptables Firewall? I basically use Squid just to deny access to Facebook, Friendster, or other "unproductive sites".
Quote:
How to block torrent downloading by using a Firewall? Or is there another "simple" way?
I've heard that it's better just to allow regular ports (80, 22, 465, etc...) then block all the rest, this way, you can prevent unnecessary ports.
I'm not an Iptables/Firewall expert so can you pls. explain it a bit more detailed if that's the case.
I'm also aware of just telling our users NOT to download torrents, but I just want to prohibit it entirely.
I know I will be the most "uncool" employee in our office.
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