General :: Setup A Proxy Server To Block Access To Some Websites?
May 22, 2011
i was tasked to setup a proxy server to block access to some websites. i'm using centOS 5 and Squid 7:2.6 STABLE21-6.e15...i appended the following and tested the configuration with the supposed server i am using and the it does seem to work but now i'm wondering how i can test it with a client computer..i have 2 LAN cards and i just connected the other to one PC (can a direct connection work or does it need to pass thru a switch or hub)...i just can't figure out how it should be... how do i configure the 2nd LAN card to use this computer as its proxy server?
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Jul 17, 2010
i have been looking up ways to block websites in linux but most all of the free ones only block the sites the software makers want to (or you can't block just the sites you enter without blocking the sites that it wants to)i need to know how to block only websites i enter with squid using webmin
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Jul 1, 2010
here i would like to inform you that my company ask me to block facebook site at the work time it is: 08:00-12:30 and 14:00-17:30 in proxy server.i'm still confuse how to do!i need the details configuration in squid regarding how to block the sites
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Jun 15, 2011
I my office I have configure dhcp in my centos sever
eth0 for adsl-setup
eth1 for lan 172.16.0.4
I am using squid proxy server for internet access,
in my office all are using laptop through wifi , so i need to configure the browser proxy setting for accessing internet.
is there any way to setup automatically get the proxy setting as dhcp. I have tried transparent proxy but no success.
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Apr 12, 2010
I want to block all websites except desired websites.
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Oct 8, 2010
We use a reverse proxy to forward a lot of websites via 1 central place.so hould forward to an internal server.I already managed to forward a lot of website correctly, except for this one:hen I type:ttp://blablahblah/smt/webtier-7-11 it doesn't work correctly, but How can I make the first url to work ?
ProxyPass /smt http://192.168.10.38:8080
ProxyPassReverse /smt http://192.168.10.38:8080
ProxyPassMatch ^/((smt|webtier-7.11)(/.*)?)?$ http://192.168.10.38:8080/$1
[code]....
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Jul 28, 2011
How to block unwanted sites.
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Jan 24, 2011
I'm live in a place where internet bandwidth costs an arm and a leg. I have been playing around with Clear-Os, and would like to know how to block windows update and certain websites.
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Aug 25, 2010
Scenario:A - Local Unix machineB - socks proxy server port 1080C - remote mysql server port 3306I want to connect to the remote mysql server(C) from local unix machine(A) using sock proxy(B).
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Mar 24, 2011
i am using RHEL 5. i configured proxy server. now i want block one website.
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Jan 16, 2010
If you leave your hotmail account signed in on a proxy server, can others access that account by just typing in [url] in their browsers? ie does the proxy server share all connections to the same site with logins?
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Jul 27, 2011
I have installed proxy server on ubuntu.I have done every process which is needed to establish proxy server.internet is also working fine through proxy but the sites which needs to be blocked it is not blocking.it is opening.I have made entry of sites which i needed to be blocked in block_dstdomain file in proxy
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Oct 17, 2010
I'm planning on hosting a main website for my school (Wordpress) and a few websites (< 10) for some teachers (Wordpress, Moodle, Joomla). Someone of the teachers needs to access his/her folder via ftp to upload documents, images,... I'am using apache 2 on ubuntu server 10.04 LTS, 4GB RAM, 2 x 500GB Hard disk (RAID hardware).The server is connected directly to the router DMZ (netgear dgn 2000).
1)If I store the teachers' websites in public_html, should I create as many user as the teachers? And how to set permissions? And where to put the main site and moodle?
2)What are your recommendations about security?
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Jan 7, 2011
I want to filter and block failed attempt to access my proftp server. Here are few line from the /var/log/secure file:Quote:
Jan 2 18:38:25 server1 proftpd[17847]: server1.XYZ.com (93.218.93.95[93.218.93.95]) - Maximum login attempts (3) exceeded
Jan 2 18:38:27 server1 proftpd[17864]: server1.XYZ.com (93.218.93.95[93.218.93.95]) -
[code]....
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Jul 22, 2010
I have setup a squid server on Rhel5.4. I would like to know how I can configure my squid server to block anon proxy sites.
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Jan 28, 2010
I'm fairly new to Linux and very new to Squid and am having authentication issues! I am using Oracle Enterprise Linux (which is basically Red Hat without the branding) and wanting to use Squid Proxy Server for web access with authentication to Active Directory. I've found a number of articles about this online and all of them say to use auth program squid_ldap_conf which should be in /usr/lib/squid/. I don't have a squid directory in /usr/lib for starters and my squid binaries are in /etc/squid but there is no squid_ldap_conf in there either. I have installed the latest version of Squid (3.0) to see if that helped but I still cannot find the authorisation program.
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Apr 1, 2010
I have managed to configure AWstats to work from one server to access the log files for multiple websites on multiple servers and even managed to write a little front end php site to access all the different conf files. I want to know if there is a way of combing two conf files for the same site but are on two different servers in a loadbalanced situation. so my conf files look something like: [URL].. I have to monitor bandwidth for our websites and its gets tedious switching between the various conf files for the same site and totaling it up so I was hoping I could combine the output of both conf files on screen using some funky command in the awstats.pl script
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Aug 30, 2009
how i have a machine installed Red Hat Enterprise Linux Server release 5.1 with 2 modem (usb & com port) still i want to configure RAS server so some pple able to connect my server and send me some files.
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May 12, 2010
I have recently configured squid proxy server in rhel5 so now I am able to blocking some websites ok, but still I have one problem how can I block gtalk by using squid proxy, one more thing I blocked gmail so now client xp systems are not logging into gmail but still they using gtalk to chatting the things to others. So ultimately I need to block gtalk also by using squid proxy.
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Oct 6, 2009
My name is hentry varghese.i want to know how to block all websites and then allow only one.fof example:"www.gmail.com".please give me the complete commands one by one to do that.
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Mar 21, 2010
I have a few friends that have seen me bypass firewalls with a socks proxy (SSH). I explained on how it works and how secure it is for browsing the Internet and checking your email in public places. I had at least 6 asked me if I could set up an account on my server for them and they would pay me! Now what I wanted to know was how I can set this up in a server and website where they can register an account and pay me through PayPal! I don't need help setting up the site! Just on how to set up the server to automate this. What tools are needed (ex. ISPConfig, jailkit.... stuff like that?) I don't mind doing this manually but if I get more people that would like this I don't really want to do every single one.
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Aug 30, 2010
We currently have a SUSE Apache2 reverse proxy server setup to reverse proxy (proxy_mod) our GroupWise Web Access server. Our SUSE box is located at www.domain.com. Our GroupWise Web Access server is located internally and is called GWMail. We are in the process of migrating from Novell to Windows, so we will have an exchange server with OWA access running on a Windows Server 2008 IIS7 box. That one will be called EXMail internally. Right now when someone goes to www.domain.com/gw/webacc it goes to the GWMail internal server from the outside world. This was all set up by previous techs who used Linux more.
We would like to set up reverse proxy to be able to reverse proxy to the Exchange Server from the outside world. Unfortunately the snag we are running into is that Exchange needs to run on port 443, and forwarding to port 443 has been a little tricky. I've read elsewhere we need to implement a generic TCP proxy, such as IPtables. what we need to do to get our SUSU Apache2 server to be able to reverse proxy to our Exchange server on port 443. For the save of argument lets call our SUSE server ExtranetServer. Below is our default-configuration.conf file's configuration:
[Code]....
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Jul 2, 2009
My ISP seems to be having some configuration problems cos of which I cant download certain files (mostly exe and msi and some rpm files) as the download either doesnt start (firefox download window showing "Starting..." all the time) or download gets stuck at some point of time.
However I have access to my college computer through SSH using public key authentication and my college computer has internet access 24x7. I would like to be helped with 2 things:
How do I use the internet through my college computer? Like when I use the internet, the requests go through my college computer so it must appear that the requests come from my college computer IP while I use firefox from my home computer How do I configure yum to download packages through my college computer? I want to setup yum to use the IP of my college computer to download the packages.
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Jun 21, 2011
I have set up a couple of postfix servers for my domains, but the only thing I am missing now is this: How to block the public sending mail from my email to my email? I have managed it with SPF, but surely there must be a better way, that returns "relay not allowed" to the client. The SPF method costs too much, since it must make a dns request for each mail. So far, I have not gotten many of these mails, unless when testing my mailserver, but as I see it, anyone should not be allowed to send mail from abuse@mydomain.com to abuse@mydomain.com.
Somebody must have thought about this a long time ago, and there is simply that little line in main.conf that I'm missing.. My setup is this (virtual): I have a primary mx, with postfix, courier IMAP/POP3 server, a user database, and sasl via saslauthd. I also have a secondary mail server (backup mx) with no sasl auth, but with a copy of the mail users in the virtual tables, but added as relay_* users instead.
Spamassassin and SPF testing is replicated too, so most of the stuff should work, but I simply cannot find a setting in Postfix that denies someone to mail FROM my address TO my address. When mailing from my address and out in the open, they are required to authenticate, but not when using one of my my domain addresses, and also targeting my domain addresses.
As said, It is possible with a strict SPF setting, but that is at a cost for every lookup. It would be quicker for postfix to lookup the sender and the recipient in the relay/virtual tables, and deny if both addresses were in the recipient tables, and sender is not authenticated.
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Apr 8, 2010
I have got a small queston: I have got several websites and some time ago I decided to delete some of them. As a result there is no virtual hosts on my web server, but if I will go to my_old_website dot ru I will be redirected to one of my current web sites (or if I will paste an ip address in browser), I want to know, how to block this?My virtual host's looks like this now:
Code:
<VirtualHost *:80>
ServerAdmin my_mail
[code]...
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May 9, 2010
Whenever i visit [URL] it shows my ip address also it shows that i am using squid proxy.. How to hide my proxy from these websites..?
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Nov 1, 2010
I have installed Dansguardian on my little brothers laptop (using Tinyproxy and Firehol too) and I have it mostly configured the way I like it. The only problem now is that I can't seem to block secure (https://www...) websites, and he knows a few proxies that use secure domains. I was wondering if anyone has been able to make Dansguardian block these websites or is it just not doable?
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May 30, 2011
I want to block a list websites from myself using a password that I don't know.I would randomly generate it or something.Everything revolves around sudo, though, so I don't know how.Long to short: how do I blacklist websites using a password other than my sudo password.
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May 19, 2010
I'm trying to block specific websites, preferably using a portion of the url.
For example, if blocking [url], [url] would also be blocked. This implies that simply blocking a single IP using iptables would not work well.
The names to block will be somewhat dynamic, so a list specification would be ideal.
In my case, the LAN has a mix of linux and ms machines, and they all use a linux gateway currently running dnsmasq.
I find suggestions from using /etc/hosts (might work with yp, but not ideal) on the gateway machine, through to using squid on the gateway machine.
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Mar 6, 2010
how can we setup a socks proxy server.
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