CentOS 5 Networking :: Check If Clamav Is Scanning HTTP Traffic Squid Proxy Server?

May 21, 2011

I'm trying to setup a Centos 5.6 Squid Proxy Server with Content Filtering & Antivirus Scanning Incoming HTTP Traffic from the Internet

I then proceeded to setup an configure the Proxy Server, i was able to test and confirm that Squid and Dansguardian Content Filter is working, however i dont know if Clamav is scanning HTTP traffic before it hits the client/server. Is there a way i can check if the Antivirus scanning is working.. is there some log file or real world test i can i can do to confirm that Clamav is scanning incoming traffic or even blocking potential viruses ??

Anyone who has squid proxy server with Clamav configured and its working can share there settings/setup with me and how they tested it ??

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Server :: Will Squid Work To Reverse Proxy Non-HTTP Traffic?

Aug 2, 2011

I have searched and searched for a reverse proxy solution for non-website traffic. TCP but not http, on ports other than 80, 443, 8080, etc. Basically I just need a TCP forwarder that works with multiple TCP servers, WITHOUT webpage caching features. I do not need or want any webpage caching. Can squid work as a reverse proxy for TCP traffic without http? The other program I came across in searching was HAproxy. Both programs are for http but I am curious if they would work for TCP servers that do not serve webpages.

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Server :: Will Squid Or HAproxy Work To Reverse Proxy Non-http Traffic

Apr 19, 2011

Will squid or HAproxy work to reverse proxy non-http traffic? I have searched and searched for a reverse proxy solution for non-website traffic. TCP but not http, on ports other than 80, 443, 8080, etc. Basically I just need a TCP forwarder that works with multiple TCP servers, WITHOUT webpage caching features. I do not need or want any webpage caching. Can squid work as a reverse proxy for TCP traffic without http? The other program I came across in searching was HAproxy. Both programs are for http but I am curious if they would work for TCP servers that do not serve webpages.

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CentOS 5 Networking :: Connect To HTTP Proxy Server ?

May 16, 2010

I'm trying to set up a server for an NPO who connects to the Internet through an internal proxy (Websense). I can't access the Internet unless through the proxy.

Since it's a server I did not install a GUI so I'm wondering how to connect the new server to said proxy server. I have the IP address, port number and username-password for the proxy server. The new server has a static IP address and is ready too go!

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Ubuntu Networking :: Redirect All Http/https/ftp Traffic Through The Remote Proxy?

Apr 6, 2011

I need to redirect all http/https/ftp traffic through the remote proxy, but when I changes connection settings in browser or in System->Preferences->Network Proxy it doesn't work well: instead of getting page content browser asks for saving some short (8 bytes) file with the same content for all requested pages. It happens in Chrome/Opera/Firefox. This proxy requires authorization and works on computer with Windos XP. It worked well when I was using Windows 7 and Proxifier, now I have Ubuntu 9.10 with all available updates.

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CentOS 5 Networking :: Load Balancing Multi WAN On Squid Proxy Server?

Aug 12, 2009

How To: Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server I have 3 WANs connection (2 ADSL and 1 Wimax). And 30 clients on LAN.

eth0 connect with Wimax
ip= 172.23.x.x
eth1 connect with ADSL1
ip=10.10.6.x
eth2 connect with ADSL2
ip= 10.10.5.x
eth3 connect with LAN
ip=192.168.1.x

how to do Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server.

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CentOS 5 Server :: Squid Proxy Configuration SQUID 2.6.STABLE21

Jan 17, 2011

I would like to ask some help and tutorial for setting up and how to configure squid proxy server in my (Home PC Server). I am a newbie in Linux Centos. I already installed in my system the CentOS 5.5 . Now, I want to configure it as my internet server, all of my 4 system running in Windows including the laptop I want to connect through my CentOS pc with username authentication. I assign all IP address by static. see tthe attachement in my set up. [url] I just want to know what I need to change and add in my squid config file. And how can I configure properly my CentOS with 2 LAN card as internet server.

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CentOS 5 Server :: Gateway Server To Redirect Traffic For Http/smpt/pop3

Apr 6, 2010

I have been beating my head for the last few weeks on this problem, (although I have been taking the wrong approach, it seems).

I need a gateway to direct web traffic to three separate servers/domains. I have been trying to do this with both a dns server and , (seperatly), apache server to forward requests. The dns server was a no go, and <i can only get apache to redirect http and ftp.

After Googling this ALOT, I believe that what I need is a gateway server to redirect my traffic to the 3 different servers. I have been reading about using using nat and iptables for this and was wondering if anyone had any advice/suggestions on this. The other thought I had was to use something like pfSense to create the gateway, but I am still reading the documentation, and I am unsure if this approach will work.

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Networking :: Squid Proxy Server On Ubuntu And WPAD - Proxy Auto Detection?

Dec 9, 2010

Currently my DHCP Server is working now what i want to have is auto detection of squid proxy in any browser but I still got an error in my dhcp server when I restart it.

My Config:

# DHCP configuration generated by Firestarter
ddns-update-style interim;
ignore client-updates;

[code]....

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General :: Configure Squid Proxy Server In Centos 5.5?

Apr 12, 2011

how do i configure squid proxy server in centos 5.5 final text mode only to block facebook from 9am to 4pm

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CentOS 5 Networking :: Install Web Proxy On VPS With Squid?

Jan 2, 2011

I need to install web proxy on my VPS, means, i'll get ip:port (without login and password) to add on firefox and to connect throught that Proxy ....

I have successfully installed Squid (with the command line : yum install squid)

Now, i need to know how to change squid.conf to be able to use that ip:port on firefox .

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General :: Squid Proxy Server In Centos 5.5 Final Configuration?

Apr 12, 2011

today i encountered centos 5.5 final server with a squid configured to block facebook from 9am to 4pm. i have tried to follow up the steps but am stack where time restriction is done and there is no proxy configuration done in the browser. the ip address of the server is being used as the default gateway.

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CentOS 5 Server :: Check How Much Squid Cache Has Been Full ?

Mar 17, 2011

I am using Cent Os 5. I want to know that is there any way to check that how much size of squid cache directory is full? Normally when squid size will reach upto 2GB then I have to clean it.

# cache_dir ufs /var/spool/squid 2000 16 256

I assign 2000 MB to the cache size. One month have been pass while squid is running but i am unable to know how to check the current status of my squid cache size.

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CentOS 5 Networking :: OPEN Port In Squid Transparent Proxy

Jan 26, 2010

Here is my network diagram ADSL router----firewall--LAN inside the LAN my squid is running. currently all users are working with out proxy server. I installed the proxy server inside the LAN. now all users can access web browsing ,but no other ports are working , like POP3, smtp, then some other TCP port based applications are not working. My firewall ( juniper) is created and tested the rules to allow the POP3 and smtp and selected poprts which is working , but I redirected through squid proxy server the clients are not able to access. where do I have to create rules?

** in squid proxy( i already did in safe port list stillnot working)
** IP tables?

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Dec 17, 2009

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Mar 25, 2010

I am new to iptables. We have two Squid proxy servers running in "non-transparent mode" (172.16.0.1 and 172.16.0.2). Currently users have to configure the proxy server they want to use by configuring them in their browsers. Recently I saw an example for redirecting web traffic to a single transparent proxy server.

-A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
-A PREROUTING -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 3128

Can anyone modify this rule to accommodate my current setup of two proxy servers running in non-transparent mode. i.e Redirect web traffic to the 172.16.0.1-172.16.0.2 ip range.

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Mar 16, 2010

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Mar 16, 2010

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Jun 14, 2010

i have the following ip assignments

fedora (iptables)
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squid proxy
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my clients range
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Feb 2, 2011

I want to restrict some site (Social Networking) through my newly configured squid proxy. But It always allow those site How to block those site. My squid.conf file is configured as follow :-

#Recommended minimum configuration:

acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
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[coder].....

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Oct 28, 2009

At the moment I have a proxy and all the users have to configure it in the browser to access internet. I want to make the users able to browse even without configuring the proxy in the browser. but eventually it should be received in the proxy rather than giving an error to the user. I heard with transparent proxy I can redirect all the traffic from a particular network, to a particular host( ie my existing proxy).

I tried this using firewall rules. But then the existing proxy doesn't understand the protocol of the requests. I heard that it should be in the kind of proxy protocol.

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Jan 3, 2011

is any apache-module out there that allows duplicating traffic?

I want to test an new Application Server by duplicating the traffic from the old production system. Answers of the new will be DROPped ...

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Jun 17, 2010

I'm looking for a monitoring tool like ntop, but can preserve statistics for http traffic.

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Server :: Squid Accepts Only HTTP Requests But Speaks FTP On The Server Side?

Apr 26, 2011

Here is my query:

Squid document says that Squid accepts only HTTP requests but speaks FTP on the server side when FTP object are requested.

We call Squid HTTP and FTP caching proxy server. Does it also caches FTP contents? Is it possible to configure FTP clients to use Squid cache? When we make an FTP request to an FTP site via Squid will it be bypassed?

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Apr 13, 2010

I want to know that squid in 5 min ago and 1 hour ago how much traffic transferred for monitoring purposes?? where can I get this info from running squid? of course I get I have to note that access.log is disabled for some reasons.

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May 5, 2010

The network in my company use Squid Proxy serveto browse internet.Browser is IE or Firefox, and OS is Windows XP.The company need to use a new software for work, but the software don't have function that can configure Proxy server to connect to Server outside.I don't want to NAT port on router because I cannot control the traffic.Is there any software same as Proxy Client ... installed on Windows XP?My idea is that the software same as ISA server - ISA client

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Feb 1, 2010

I need to have Opensuse 11.2 use my proxy server here in the office and it is by hostname/ip:8080 only not HTTP. The problem is using Yast2 I don't have the option of using the proxy that way it wants http. I've been using opensuse on and off since 9 (great flavor BTW my favorite) Easy as you need it to be and just as complicated as you want it to be, a perfect mix.

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Sep 29, 2010

I need to set up my centOS computer as a firewall in my home network. Ive got 2 interfaces, eth0 and eth1. I want to allow and forward all traffic on eth0 and block all traffic on eth1 except ssh, ping(icmp) and DNS. How do I do this? Ive tried some editing in /etc/sysconfig/iptables but no luck.

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Jun 6, 2011

i have a proxy server up and running but one server using port 8181 cannot be accessed.how i can open that port!...i tried adding it in the safe ports but it still isn't working...

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CentOS 5 :: Unable To Use Outlook/thunderbird Behind Squid Proxy

Jan 7, 2010

I am not able to use outlook or any other email client on my computer(to access gmail account) I am also not able to forward port to my computer for a bit torrent client

I can access the internet using proxy settings

I have just installed CentOS 5 as a server with 2 NIC's for my home network.

My set up is something like this

adsl wireless router(static ip from ISP) - (192.168.0.1/24) Cent os server (10.1.1.1/8) - switch/hub - clients(windows XP/Vista,Linux)

the linux server acts as a Web Server,DHCP and Squid proxy server

Will installing an email server resolve my problem?

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