General :: Access Network While Connecting Through Squid
Jun 28, 2011
I am facing problem to access my network PC's and even ping. My network scenario is as follows. I am using squid 2.6 stable 21 on RHEL5. all other PC's on network (OS is Windows XP Professional SP2) are connected to internet through squid, authentication is ON on squid. All PC's on network (Win XP Systems)are assigned IP statically and Default Gateway is set which is Squid's IP. I want to access these PC's (Win XP Systems) mean share data between them. The problem is that i am unable to access and even ping these PC's.
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Dec 29, 2010
I am using squid to controlling access to the internet all is working fine expect one of the user who is using outside organization portal to connect internet. But whenever he tries to enter in the portal by typing (EXAMPLE)url. Permission denied error from squid occur.
How can i allow this portal in squid. So squid will allow this to access.
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Jun 16, 2009
I have installed debian to run Squid cache as a caching proxy.
Ive been bashing away now for 2 days and i have managed to install squid (i first tried manually, but that did not work so i used synaptic software packager to install it (from Administration menu)
That went well, thereafter i installed webamin to work with squid in a GUI
I have managed to start squid and added my range of IP addresses to the ACL list
I have added the proxy restriction too.
Now, i tried to test it.
I opened Iceweasel Web browser (on the same machine) and setit to use the Proxy server: localhost and port:3128
That works fine.
But when i try to change the proxy setting to my machines ip (where squid is installed) :
Proxy server: 10.0.0.35 and port:3128
That does not work.
Am i missing something, please help
I then tried to set another windows PC on the network to:
Proxy server: 10.0.0.35 and port:3128
That also does not work.
I also edited the conf file to http_access allow all, but i do not know if i have doen it correctly, but maybe there is another problem?
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Aug 7, 2011
I have a fairly new install of 10.04 on a Dell laptop (about a week). Everything was running well, connecting wirelessly to the interneet through my home router (WPA/WPA2). Today, for some reason, I lost my connection to the internet. The network manager tells me I'm connected to my router, but all the lines on the wifi indicator are gray and there is no internet access. I reinstalled the 2 sets of packets for my BCN4312 (bcmwl-kernel-source and b43-fwcutter ), but no change.
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Nov 7, 2010
I have done a fresh install of the OS and I am having wifi trouble. I am failing in connecting to an access point that Windows works fine with on the same machine. As far as I can tell it is connecting but not getting an IP address via DHCP. when running ifup it says its backgrounding getting an ip address.
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May 28, 2010
I'm using squid for proxy server in FC6. I'm also using squidGuard for web-site access restriction. I want to do some exception now for website access. For example, squid user1 with ip 192.168.7.10/32 shoud not access facebook.com while all other squid users with ip 192.168.7.11/32, 192.168.7.9/32 and so on... can access facebook.com since facebook.com is not listed in squidGuard .db files
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Dec 30, 2010
I am using internet web control through squid... All is working fine only some little bit issues.
(1) Sometime when i tried to open google.com or any site I got message (The requested URL could not be retrieved) Screen Shot Attached.) but again after sometimes same websites will open.
url
(2) I would like to block word 'sex'.. So I have edit squid.conf with the following acl
acl Blockword url_regex sex
http_access deny Blockword
but problem occur in some websites where 'sensex' word found in url. Then squid block 'sensex' url content website also..
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Sep 23, 2010
I have configured my squid that have a limited access to websites but still some website were accessable vis https so I removed transparent from squid. Now what changes do I have to make in iptbles
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Jun 20, 2010
I'm trying the tail -f 172.16.X.XX /var/log/squid/access.log to view the sites requested by the client ip 172.16.X.XX but the result is it still open all the ip's requesting for the internet access. is there any tail commands that can monitor only the specific IP address requesting for internet access.
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Feb 15, 2010
How to give full access for the particular ipaddess in squid. and how to give particular website access to the particular ipaddress.
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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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May 31, 2011
I am using Squid Server from last 5years. There is a site "http://www.firstflight.net", which was accessible before few days but now I am unable to access this site. If I use IE8 then getting below error:
"Internet Explorer cannot display the webpage"
Or using Google chrome getting error:
"This webpage is not available The webpage at http://www.firstflight.net/ might be temporarily down or it may have moved permanently to a new web address. Error 330 (net::ERR_CONTENT_DECODING_FAILED): Unknown error."
But other sites are working fine..
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Jun 11, 2010
I have an old FC2 box running Squid version 2.5. It has been running since 2003 so I am in the process of replacing it. I have a new machine with FC11, iptables, and Squid 3.0 installed.
On the old machine I use iptables to intercept Port 80 traffic and send it to Squid. By default I block all internet access and allow only sites that are in an Allowed_Sites.txt file. Within Squid I also have statements to allow certain users to bypass Squid based on their IP address.
I have set up the same thing on the new box. I have iptables intercepting the Port 80 traffic and sending it to Squid. That is working because if I remove the redirect statement from iptables all internet access is blocked.
The problem I am having is that Squid is not blocking any websites. It acts like the ACL is set to http_access allow all. I have worked on this for several hours and am stumped.
These are my Squid rules:
acl allowed_sites url_regex "/etc/squid/Allowed_Sites.txt"
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
acl SSL_ports port 443
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access allow Bypass_Users
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
acl our_networks src 192.168.1.0/24
http_access allow allowed_sites
http_access allow our_networks
http_access deny all
icp_access deny all
htcp_access deny all
http_port 192.168.1.254:3128 transparent
hierarchy_stoplist cgi-bin ?
access_log /var/log/squid/access.log squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|?) 0 0% 0
refresh_pattern . 0 20% 4320
visible_hostname FC11.proxybox
icp_port 3130
coredump_dir /var/spool/squid
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Feb 10, 2011
I've set up Ubuntu 9.04 (desktop) at home in a lab environment (workgroup rather than domain) and have configured Squid. Everything works fine but, when I took it to the next level and made the proxy transparent, my problems began. I can still access sites (having pointed the XP Pro client to the squid box as the DG) and the sites are logged in /var/log/squid/access.log but I am unable to use Outlook to access my SMTP and POP3. I guess that the setup is blocking ports 25 and 110 and I'll need to configure iptables to forward packets destined for these ports directly to the "real" DG, rather than the Squid box. Here's the set up:
A single NIC (eth0) on 172.19.0.250 / 16 (static) ADSL router ("real" DG) on 172.19.0.1 I executed iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3128 My squid.conf:
Code:
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
acl localnet src 10.0.0.0/8# RFC1918 possible internal network
acl localnet src 172.16.0.0/12# RFC1918 possible internal network
acl mynet src 172.19.0.0/16
[Code]....
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Jun 22, 2010
I have the latest ubuntu and it seems to be all fine except I am trying to connect to my mshome XP network without any luck. I have installed Samba and in Network places it shows Workgroup and MSHome. Click on MSHome and I see my XP boxes.
Click on an XP box and I get.. You can stop this op etc' then I get the 'Unable to mount - Failed to retrieve share list from server' error. I have been on this for 3 days now and just about over it I'm sorry to say. The forums are thick with threads like mine without any definitive answers. I had a distro called MEPIS on before Ubuntu and with these same machines I was able to connect to the network without any problems so I am baffled why I can't now.
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May 1, 2010
How can I connect two PCs having Ubuntu OS with network cable?Similarly how can I connect two PCs one having Ubuntu and another having WINDOWS OS?
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Apr 2, 2011
Is there a way to have linux connect to the network when the ethernet cable is plugged in? I'm using Gentoo Linux, and I haven't found the right setup for the conf/net that'll allow me to do that.
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Nov 4, 2009
I run Ubuntu, and it has a nice GUI widget thing that connects me to my home wireless network when I boot. I don't have a problem with that. But suppose I don't start X, and boot to a recovery console for some reason, like I did recently when my graphics were broken after installing Karmic. In that case, my computer won't be connected to the wireless network until I log into X normally. So I can't apt-get anything or anything. It's very annoying. And I don't know how to connect to my wireless network.
I know my wireless network SSID, and I know my WEP key or WPA passphrase. How can I log onto the network with commandline tools? Is there some basic program that I can just run "networkmanager <myssid> <mywepkey>"? I looked at the iwconfig man page and I honestly couldn't figure out how to simply connect to my network. Once I figure out how to connect to the network with command-line tools, where can I put an "autoconnect" script so that it will connect during startup, like it should anyway?
What I don't understand is, why the Ubuntu network manager nm-applet, doesn't just work as a front-end for more basic networking stuff. I don't see any reason why it should require you to start X before working; it could be a daemon that runs at startup, and there could be a config-file somewhere, but it doesn't even start running until I log onto gnome.
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Dec 5, 2010
I'm using three different UNIX OS's.I have used gnome on my laptop for most of the time I have had it and I decided it was time for a change in GUI,I am wanting to use KDE but I can't get it to work with my laptop I have tried mandriva 2010.1 spring and that one was slow and it kept dropping my wireless connection.So I got rid of that in tried Kubuntu and now it will not use the wireless.Ubuntu and Ubuntu SE and the live version of super gamer can all connect it's just Kubuntu and mandriva
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Aug 23, 2010
I have two Linux hosts (both running Ubuntu 10.04) and I want one of them to have access to part of the filesystem of the other. I.e. I want remote1 to be able to access the files of remote2:/home/username
This is simply to allow me to access my home directory on the other machine, read-write, and there's no need for other users to be able to access this too. The used IDs for 'username' are different on each host, for reasons I won't go into (Likewise, ADS, etc).
I tried Samba but I found it unreliable. For example, I have a program that monitors a directory and updates a list of around 12,000 files. I found that this list was constantly changing with files dropping out and some files being randomly unreadable. It was too unreliable.
I had something working quite well on remote1 with:
sshfs remote2:/home/username ~/remote2 -o idmap=user -o uid=$(id -u) -o gid=$(id -g)
This works perfectly for a while. Unfortunately remote1 is a laptop and is regularly disconnected from the LAN. This seems to completely break things when this sshfs filesystem is mounted, and typically requires a reboot to recover. I started to look into NFS but I ran into problems with this a few years ago with regards to user id mappings. At the time, I found there was a user-space NFS server that dealt with this but it had a bunch of its own problems. But that was NFSv3. Can NFSv4 'kernel server' handle different user ids and map between them properly? I really don't want to use NIS, and I can't actually change the user IDs anyway - they are set by external means.
Also, how does NFS handle an 'unreliable' network connection? Will it automatically reconnect or will the share be broken until it is remounted? What about something like CIFS? Can this cope with the network being regularly and unpredictably broken? This might have the same problems that Samba did, but it's worth a try if it will be suitable.
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Apr 3, 2010
I installed the driver for my network card. iwconfig and ifconfig are all responsive to connecting to the network, I'm given an access point address. Then, I try to connect to a website and no dice. ping www.google.com yields no result. What gives?
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Jan 13, 2010
i know this is crazy, but im using a [URL] and have loaded a copy of "red hat linux 7" on the computer. i have no idea what kind of hardware config/spec stuff i should have in my immediate vision, and if i did i'm not sure how i would make sense of it all. linux loaded fine. didnt save drivers. eth0 not showing in ifconfig report, but lo is connecting to network, other host cannot ping linux and vice versus
can mount a cdrom, but not a usb flash dont quite understand how the load methods work involving /mnt/cdrom/"usbutils-0.86tar.gz" eth0 problems and gnome rpm stupidity keeps me from upgrading sys from old version to a newer version, cant even find the cmd to show me that info, sorry. have usb files i want to mount, dont know how to loAD THE CDROM FOLES, SO EVEN THAT ISNT WORKING OUT HAVE DISCS WITH howtos just need to stay focused on steps to get desired end result, while trying to learn too much info for what im currently doing between all the f!@#@ing windows i have open.
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May 27, 2009
We have a sipmle office network set up that we also use use to connect to the internet, however of late the number of users has increased thus slowing internet access. Bandwidth upgrade is not an option thus i have to do bandwidth shaping on our linux router. The question is how do set the squid configs to allow certain IP's range a certain percentage bandwidtheg 60% and furthe divide the rest. Alternatively how can allow certain IPs to have higher bandwidth access.
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May 24, 2011
i m using squid for internet sharing, i am facing problem while accessing public ftp, therer is no problem in accessing local ftp, but if try to access public ftp like ftp://125.125.20.2 i am getting error
' An FTP authentication failure occurred while trying to retrieve the URL: ftp://125.125.20.3/
Squid sent the following FTP command:
PASS <yourpassword>and then received this reply User anonymous cannot log in.Your cache administrator is root.'
if i try to access local ftp ' ftp://10.185.200.12' getting no error
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Apr 20, 2011
I have installed the squid server on my centos system. I want to access the squid on GUI mode.
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Sep 20, 2010
Currently my office use a Cisco Firewall which will only allow the ANYCONNECT utility to do the vpn connection. I found a Linux utility (OpenConnect) which will do the same thing, but allow me more flexibility with my networking needs.What I ultimately would like to have is to have a switch that I can connect any network device into it and be connected to the office. IE (my IP Work Phone and Computer) Currently I have is a computer with fedora 13 and two network cards eth0 (home network - connected to a router) and eth1 which I would like to connect a switch to. OpenConnect communicates fine and I can see the work network from the Fedora machine. It creates a vpn0 tun/tap device and I don't know how to pass communication to/from the eth1 device.
Do I try to iptables the ports for the phone and services I need on the computer? Or do I build bridge; and If I do what am I bridging. I have tried making a bridge from eth1 to vpn0 which reply's with unsupported device or something like that.Unfortunately my network skills are bit limited and my office says "it can't be done". Their solution is for me to buy a ASA5505 (or something device) and have a static IP. I would have to make it work as my router and even then it will only DHCP 10 ip addresses; which will cause a shortage of IP addresses in the house.
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Mar 7, 2010
I m nokia mobile to connect to internet in 11.2 configured it all in n/w manager with phone number *99#
APN: XYUX(as given by provider)
Also wrote the dns in resolv.conf but all in vain . it is not connecting neither dialing any number just shows "activating" but with no progress earlier in 11.1 i used kinternet (but i couldn't find it here) is there not any other dialer ? as i ve heard that n/w manager is quite troublesome.
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Jan 24, 2011
I'm having some trouble connecting to the wireless network here at home. The PC has a Linksys WMP600N wireless network card, which works fine under several versions of Windows. In Opensuse however, I cannot get it to find the network. Even though my laptop is right next to it, which has perfect connection to the network. The router is a Linksys WRT610N.
I've tried running iwconfig and iwlist scan in the terminal, but the scan returns no results and iwconfig indicates it does not have a connection to a network. I've turned off IPv6 as I read this can sometimes cause issues. I've also tried issuing the computer a static IP address, figuring the DHCP might be causing problems, but all to no avail.
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May 2, 2011
I am facing an issue connecting to WPA Enterprise network using a CA Root Cert. I have traced it to a bug report here [URL] when the fix is going to get push?
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Aug 21, 2011
since a few weeks I have a problem connecting to other hosts when I'm using another wireless network, which has a different DNS IP than I have in my network. I have to change /etc/resolv.conf to change the nameserver. Can NetworkManager control the nameserver? If yes, how?
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