CentOS 5 :: Proxy Configure Setting - Cannot Ping Any Website
Aug 4, 2009
I am trying to install a router on my CentOS 5 box, while i have properly configured IP address, Subnet, Default GW and DNS, I am at the point of trying to set up the Proxy. I have added a line: "proxy=http:ip_address:8080/" to the file of "/etc/yum.conf" The Proxy server here does not require any username nor password however I still cannot ping any website, while I tried to ping 74.125.45.100 (google.com) it returns the following message:
[Code]....
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Jul 29, 2010
Im running drupal on my webserver and, this morning all of the sudden I went to edit a node and now I cant load the website in my browser at all. I can ping the machine and SSH into it fine, but it will not load the website in chrome or IE, I have no idea whats going on here.
Edit: I did a 'service httpd restart', it took 3mins to restart, is this normal? After I did that it loaded once, not even all of the page, now its doing the same thing again.
Edit2: Now it seems to be working fine again...
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Nov 11, 2010
I have 4 centos5 apache webservers all on the same network, recently, 2 of the webservers have stopped being able to ping or browse one particular website where feeds are obtained from this site. I have checked and firewall and selinux settings are disabled. The two webservers are able to ping and browse other sites. Dns settings are the same for all 4 servers. traceroute for working and not working webservers are the same.
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Mar 30, 2011
i have a website named [URL]... now i want to access this website using proxy server(squid,or etc...) under my personal server named [URL]...means that [URL]...
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Dec 23, 2010
I am using CentOS 5.5, I installed squid3 in that machine. From my users machine i am not able to use our webmail address. Outlook shows pop3 error.cannot ping webmail address inside proxy.
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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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Jul 9, 2010
Ive got a problem on my server ....installed Debian 5 , Webmin and than syscp settung up syscp ready ....
I try to ping "localhost" ansver ping: unknown host
I try to ping "localhost." there is a host with IP 127.0.0.1
I need it to change it in "localhost"
Is that the bind9 maybe?
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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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Mar 26, 2011
When I try to ping with the terminal to check a website's availability, it always just keeps going on and on and on... How do I get it to stop after a set amount of pings? Is there some type of command?
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Jul 2, 2010
i can ping to 192.168.10.104 but can't access it graphically.i am using firefox.. distro is ubuntu.. i do //192.168.10.104:9345..but it takes no response.can u help me.. i am using direct connection..
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Aug 13, 2010
I am using an HTTP proxy server to connect to the internet.
Because of that my pings are not working
ping www.google.com
says Unreachable Host
How can I configure ping to use the HTTP proxy?
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Jan 3, 2010
I run a HTTP/HTTPS proxy server but one of our clients is having trouble accessing [URL]Can anyone see if the login button is using some kind of weird connection feature? I thought it might be using flash or something rerouting the connection through something other than port 80 (or 8080 for the proxy) but not sure if that is the issue.I just used a fake login and password but instead of giving me the incorrect password error the page just hangs.
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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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Aug 4, 2010
i am using squid proxy server to block some websites in my organization.now i was doing one testing that is, when i blocked Google. gmail automatically gets block.is there any method by which i could block google but gmail access is
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Feb 1, 2010
My company is using Squid Proxy 2.6 for internet connection. Recently we implement a Webmail system. This is the link [URL] can access it using computer directly connect to internet but those using Squid Proxy are unable to Login although the login screen appear. Is this cause by the squid.conf setting or something else?
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May 6, 2010
I am accessing internet through Analog Proxy. ADSL modem has been connect to one of windows xp machine and by running Analog proxy, we uses internet by mentioning that machine's ip address. But how do i ping the default gateway in this case? Is it possible or not? If yes then please tell me how, because if i says # ping <anysite.com> it not pinging; its says host unreachable; means i will not be able to run wget too.
I am trying to ping from OEL 5.3. In one of google link; i read that :Does PING work through the Proxy Server? No, ping uses the ICMP protocol to communicate. Proxy only supports TCP and UDP packets. Ping will resolve the DNS name but go no further.
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Aug 17, 2010
I can ping a host on my LAN successfully, but I cannot ping [URL]... for example. I have disabled the firewall and set http_proxy and can browse the internet with "Use system proxy settings" checked in Firefox. I am unable to update with yum either, but I am not sure if this is a side effect or not. I have run a trace on my ip address as I am browsing the internet and I can see the sites I am visiting on our web appliance. However, if I try to ping or update no requests are hitting the proxy so I don't think that is the issue.
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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
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
[coder].....
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Jul 15, 2011
I am using an virtual machine. where I need to ping from one machine to another. earlier I was able to ping. But after going to google.com once, I cannot ping back to this machine.
But if I gave ping -I eth1 <IP> then I can ping.
I cannot install any package, so tell me solution which includes not installing any package.
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Mar 16, 2010
I have several web servers, say myserver1, myserver2, and myserver3, behind a firewall that the higher-ups run. They recently changed the firewall to block all ports except for the ones they want open. I have www.myserver1.com viewable to the outside world, but www.myserver2.com is not viewable to the outside world. I was wondering if there is a way to set things up so that people could go to [URL] and view the [URL] and [URL] website content.
myserver1 is running Solaris 7, which will (hopefully) be upgraded to Ubuntu 10.04. myServer2 is running Ubuntu 8.04. myserver3 is running Windows XP. I was wonder if this is possible with any OS, not just mine.
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Aug 24, 2011
Does anyone have a good how to or a good website on setting up Fedora 14 with ldap ?
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Jul 29, 2011
[URL] I want to
Code:
sudo ufw default deny
and then
Code:
sudo ufw allow ssh
sudo ufw allow smtp
sudo ufw allow www
[code]....
to allow the services I need, am I missing anything ? I assume allowing ssh will also allow scp ? (heck I will allow sftp as well anyway).However my problem is I am connecting remotely, so the only way I can do what I want is to actually do a
Code:
sudo ufw default allow
then use a list of the services provided by
Code:
less /etc/services
and deny each service individually? This seems a pain as if I turn on the firewall with default deny it will boot me out of my ssh connection?
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Nov 7, 2010
i have made a website and i want to use it in my lan.it is working with ip address but i want to use name convention.dns server is working correctly.my server ip is 192.168.0.254 and sample website is [URL] computers in my lan can open it using http://192.168.0.254 but not by [URL] what things i need to edit in named.conf file and in forward zone and reverse zone files?
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Jan 3, 2011
i've been trying to configure authentication for a particular tool on a website i've been building
i've tried php http authorization and .htaccess/.htpasswd files, neither seem to work
Code:
<?php
if (!isset($_SERVER['PHP_AUTH_TYPE'])) {
header('WWW-Authenticate: Basic realm="My Realma"');
header('HTTP/1.0 401 Unauthorized');
[Code]....
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May 30, 2011
is there anyway for me to dl a proxy or use a proxy on ubuntu? other than the web based ones. i looked into using system->preferences->network proxy, but that stuff went way over my head. can someone explain this to me? how would i go about setting up a proxy for the web and using it effectively?
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May 31, 2011
I know a guy who has a website setup where he can download files from Megaupload with his premium account without signing in. He takes the MU link's ID, eg: URL... adds it to the end of the URL (URL...) and it downloads using the premium account logged in on the computer he has his site hosted on. We don't get along well and I would rather not ask him how he does it.
How would I set this up on my own computer? I can see this being extremely useful for me if I need to download some of my artwork or projects from MU but I don't want to sign in because I'm on a public computer or something. I already have everything installed on my computer to host a site. I have a simple "Hello World" page running on my webserver right now. I don't need help getting that part set up, just the rest of it.
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Jun 4, 2011
The original thread was closed because "Sounds as if you are trying to steal a service which you have not paid for. We do not support that kind of activity here on Ubuntu Forums." However, it's not stealing since I am only going to use this with accounts that I have legitimately paid for.This might not be the right place to post this... if that's the case, I apologize - please move it to the correct location.I know a guy who has a website setup where he can download files from Megaupload with his premium account without signing in. He takes the MU link's ID, eg: http://www.megaupload.com/?d=xxxxxxxxand adds it to the end of the URL (http://192.168.1.199/mu/?d=xxxxxxxx) and it downloads using his premium account logged in on the computer he has his site hosted on. We don't get along well and I would rather not ask him how he does it.
How would I set this up on my own computer to use my premium account? I can see this being extremely useful for me if I need to download some of my artwork or projects from MU but I don't want to sign in because I'm on a public computer or something or because the computer has MU blocked. I want this to be a private site that only I have access to since it's my premium account and my money. I am not asking how to circumvent megauploads download limit at all (I've already paid for it... no need to circumvent it).
I just need a nudge in the right direction. Thanks in advance for any help you can provide.I already have everything installed on my computer to host a site. I have a simple "Hello World" page running on my webserver right now. I don't need help getting that part set up, just the rest of it. I assume this has something to do with setting up a proxy server - I just don't know how to do that and make it work like I need it to.
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Jun 1, 2009
Setting up an Internet proxy In the past I had set a computer to act as an Internet proxy. This would be multihomed, and running dansguardian, tinyproxy and firehol. Then webmin would be used as interface. By time I realised that this system is far from effective. Is there some other way to setup a proxy to be placed between users and the Internet? I would like (the admin) to be able to see in which sites users go and have a lot of control on access..
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Feb 16, 2010
how to lock down individual users from setting a proxy server. Its a server not a WS so it should never go to the internet. I want to lock down the system side and firefox 5 settings. found this link but its a bit confusing. I want to lock the system and mozilla Locking preferences - MozillaZine Knowledge Base I tired this and put the local-setting.js in and now the firefox wont start at all. "failed to read the configuration file. Please contact your system administrator. well read several sites that all say to do the same thing but they are talking windows and mac so may be i am missing something being Linux...So what I did was create a file called
/usr/lib64/firefox-3.0.12/defaults/profile
more mozilla.txt
//
[code]...
Still get error.this link explains what the setting 0-5 are used for Network.proxy.type - MozillaZine Knowledge Base So i thought this might be a permission issue and did a 777 on the local-setting.js file. Still get the error.
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Sep 28, 2009
my linux box in the office has an a proxy server to access the internet. i can set this on my browsers. id like to know how i give my shell (bash) the proxy server settings so i can wget,yum install perl modules, etc. on my shell terminal without problems.
i used
Code:
export http_proxy=http://<proxy-server-ip>:<port>
for example
Code:
export http_proxy=http://bsc.aut.ac.ir:8080
and also i did this for ftp. but i doesn't work.
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