Ubuntu Servers :: Proxy To Check Network Activity

Jan 23, 2011

I would like Windows laptops to use a proxy to connect to the network so I can check network activity and see if any malware is trying to connect and where it is trying to connect to. So on my Ubuntu desktop I would like to install something as simple as possible to be used as a proxy, I've seen squid but does that only handle http requests? Does that handle streaming requests and such as well? This so I can see the source of some media that's being played in flash or pps.tv

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Fedora :: Software Update Servers Down - System Monitor Shows Practically No Network Activity

Aug 21, 2011

I tried to do a scheduled software update several times today (8/20/11) and nothing seems to download, though I do get the "Downloading" PackageKit dialog message (the System Monitor shows practically no network activity). In between tries I downloaded some 600 MB .iso files (about 10 minutes each) so I know my internet is working properly. That leaves either PackageKit got hosed in my last update, or servers are down.

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General :: Having A Firewall / Proxy That Has An Extremely High Load - No Apparent Activity?

Aug 19, 2010

I have a firewall / proxy that has an extremely high load, but I can't figure out what's using it. No real cpu usage, the disks are sleeping except for a little log activity, it's on gigabit ethernet and not close to maxing out... Command link stuff runs fast, nothing seems slow, yet the load is sky-high. IME this kind of load is associated with a lot of disk I/O, but that's not the case here. What could be causing this, what else factors into the load?

uname -a:

Code:

Linux myfirewall.mydomain.com 2.6.8 #1 SMP Mon Oct 18 11:20:22 CDT 2004 i686 i686 i386 GNU/Linux
top:

Code:

07:55:43 up 1503 days, 17:13, 5 users, load average: 26.50, 26.33, 26.25
Tasks: 245 total, 2 running, 243 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.6% us, 1.1% sy, 0.0% ni, 95.0% id, 2.7% wa, 0.2% hi, 0.5% si
Mem: 3895508k total, 3582272k used, 313236k free, 207468k buffers
Swap: 2040244k total, 112664k used, 1927580k free, 1358744k cached

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General :: Windows - Discovering Proxy Servers On A Private Network?

Feb 8, 2011

Suppose that I am in a private network of computers (say each having ip addresses 192.168.. ). Some of the machines( we have no information regarding their ip, name and no physical access to the servers) in the network are connected to internet and they run an http proxy at some port say 3128. Is there a program which can be run on Windows or Linux which will give me the list of machines(ip addresses and ports if possible) acting as proxy servers?

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Programming :: Apache Mod_write/proxy - Bunch Of Web Servers Running On My Internal Network

Jan 26, 2011

Suppose I have a bunch of web servers running on my internal network:

And I have a dyndns account, I was wondering:

How can I do this?

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Ubuntu :: Logging Network Activity

Nov 3, 2010

I'd like to essentially log the firefox status bar "waiting for x...", "transferring from x...", all those messages. Really what I'm after is a log of all servers contacted.

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Ubuntu Networking :: Connect All Network Activity Through Tor?

May 28, 2011

I am trying to figure out how to set ALL of my network activity to go through tor. I have set my network proxy configurations to tor and polipo settings (127.0.0.1:8118 for http and 127.0.0.1:9050 for socks) works great in firefox, but if I nmap scan my router, it says that the incoming signal came from my other ip.. yes I have 2 internet connections, no I am not a hacker. so, I am wondering what I am missiing here, it has to be something simple, just a line I need to add to a config file or something.

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Ubuntu :: Torrenting Stops Network Activity After Certain Time

Sep 1, 2011

For some reason whenever I'm torrenting after a certain amount of time my networking ability just stops. My network traffic shoots down to zero and I can't bring anything like the ability to request a website back until I restart.

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General :: Check If A Socks 5 Proxy Works?

Jun 28, 2011

Is there an easy way, preferably by using the linux terminal, to check if a socks 5 proxy works?

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Ubuntu Servers :: Machine Shadowing Crashes With Message "The Connection With Remote Server Was Shut Down, Please Check Your Network Settings And Try Again."

Sep 5, 2010

I am using debian testing on my office pc, but i need to access it's desktop from time to time. So i need No machine/teamviewer software that can provide me with possibility to interact my desktop. The problem is, that i want to run shadowed session type, because teamviewer is not good for me. So, when i run no machine in shadowed mode, it crashes with message "The connection with remote server was shut down, please check your network settings and try again." The log is here:

[Code]....

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Ubuntu :: Freshly Booted 8.10 With No Apps Running Shows Network Activity?

Mar 30, 2010

How can I track down what's using my nic and kill it (if appropriate). There are no applications running which might be authorized to send and receive packages, so I don't really know why the System Monitor shows network activity.

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Fedora Installation :: No Harddisk Or Network Activity No Booting

Nov 19, 2009

I have an acer aspire L-5100 with Vista and fedora dual boot configuration. Fedora 11 worked fine. After upgrading with preupgrade The system shows a strange behaviour. The startup screen ( with no the little f in the first ) is first blue with the white place in the middle , the filling with the fedora f very slow ( 5 minutes ) and then nothing. No harddisk or network activity no booting. <ctrl><alt><delete> works for rebooting. <altfx> for console not. Hacking <alt f2><esc> very often and fast leads sometimes to a console where then the boot process starts running and the system comes up with gnome.

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Fedora Hardware :: Mouse Jumps On Network Activity / What To Do?

May 21, 2010

I'm after fresh install of Fedora x64, did all updates. I have wireless pci card TP-LINK TL-wn510G (Atheros chipset) which was detected correctly.

Everything is working smoothly until I start to download from internet in firefox (or in konqueror - no difference). On increased network activity my mouse cursor starts to lag/jump when moving - it's almost impossible to do anything using mouse when there is file download. On minor traffic, like browsing webpages, I don't notice such behaviour.
I checked if its rather because of hdd activity not the network, but no - when copying big file on hdd everything works fine.
I'm also experiencing huge ssh lag/jitter despite the ping is low.
I fired top when downloading, but there is no process eating cpu in suspicious way.
I have a regular usb mouse.
On the same computer I have installed Win 7 and OpenSuse and nothing like this happens on that systems.

I think there might be a some kind of conflict between wifi card and usb mouse (they share resources) but don't know how to check/repair. Could you please tell me how should I proceed to check what is going on. I haven't modified any hw settings, the installation went w/o any errors.

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Fedora Networking :: Blinking Wifi Light During Network Activity F15 / Fix It?

Jul 1, 2011

I had a problem with the new network manager a week ago and got it solved with help from the forum so now I'm back again. I have a dual boot with Windows 7 (I have to use it when serving my corporate masters) so I wasn't in my Fedora partition much this week.
I just noticed this and I'm positive it wasn't doing it before my network manager problem but I'm not sure when it started or if they're related.
I'm running F15. The machine is an HP Elitebook 8440p and has a wifi light that is also a touch button to turn the wireless on/off. Whenever there is activity on the network now it blinks between orange and blue. I know that isn't really a big deal but it's really annoying and is driving me completely nuts!! The normal behavior is orange when it's off, solid blue when it's on (or connected) and blinks orange/blue just while it's connecting. During network activity it's always been just solid blue and that's what I want.
I found a script that some Ubuntu users said fixed the same problem but when I tried to copy it the directory they said to put it in "/etc/network/ifup.d" doesn't exist. I'm assuming that's a distro difference between Ubuntu and Fedora?
Has anyone else seen this? Any ideas how to fix it?

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CentOS 5 Networking :: No Network Activity Dell PowerEdge 1950?

Mar 12, 2010

I have a Dell PowerEdge 1950 with Centos 5.4 installed. I am having an issue where there is no network activity on any of the NIC's.(Broadcom and Intel).

I have read that this might be somewhat common but have not found any solutions. I am unable to ping anything internal or external. Has anyone encountered this problem and have a potential fix?

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Fedora Networking :: Unknown Network Activity Kills Internet Speed

Jul 13, 2009

I upgraded from Fedora 10 to Fedora 11 last night in response to a pop up window. When I rebooted after the upgrade my wife immediately complained about the internet not working. Actually the connection up was working but Fedora 11 upgrade had made it slow almost to a stop There are two XP machines the network behind a local D-Link wireless router with Comcast high speed internet. When I disable networking on the Fedora machine the internet connection immediately returns to normal on the other two machines. Also there is a second or two period after enabling networking for a quick upload or download before the connection clogs.I checked the system monitor network history and found that there is a constant networking send rate of just under 180 kb/s in the background.This occurs even when the browser, email client, and automatic backup are off and the only process showing significant CPU use in the system monitor is the monitor itself.

I tried netstat but there were so many /tmp/orbit entries that I could not scroll up to the top of the listing. Is this normal. If so, does anyone know the netstat command options to just see connections with sent packets. I also tried ifconfig -a. This shows no Rx packets at all, and no TX packets except on eth0, The total etho TX packets matches t,he reported by the system monitor, and in the monitor you can watch the total accumulate in approx 180 kb/sec increments. I don't understand why 180kb/sec TX would make a dramatic difference in internet network internet speed. Comcast reports upload speeds in megabytes. I need to be able to use the net in Federa, but I am also curious to learn what is the caused the problem.

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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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Ubuntu Servers :: Proxy For SSL Connections?

Mar 11, 2010

I have a small business that I run Squid and Dansguardian on Ubuntu for network proxy filtering, among other things. This works great, but does not block SSL connections on Port 443, such as https proxies. I understand that this is because this type of configuration is a "transparent proxy".

Is there a way to set one up "non-transparent" and, would that filter https?

I cannot blanket block 443, because some sites need it.

I have read that one can re-compile Squid to work with SSL, but not being a super guru, not sure of the implications of doing that.

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Ubuntu Servers :: Apache Being Used As Proxy?

Oct 6, 2010

I've got some strange looking requests in my access_log which I don't much like the look of. Can someone take a look and let me know if 1) it's possible for other people to use my server as a proxy, and 2) how I can stop them.

Code:
85.190.0.3 - - [06/Oct/2010:14:32:55 +0100] "CONNECT 213.92.8.7:31204 HTTP/1.0" 200 1606
85.190.0.3 - - [06/Oct/2010:14:32:55 +0100] "CONNECT 213.92.8.7:31204 HTTP/1.0" 200 1606
85.190.0.3 - - [06/Oct/2010:14:32:55 +0100] "GET http://vlad-tepes.bofh.it/proxy.txt HTTP/1.0" 404 1955
85.190.0.3 - - [06/Oct/2010:14:32:55 +0100] "GET http://vlad-tepes.bofh.it/proxy.txt HTTP/1.0" 404 1955
85.190.0.3 - - [06/Oct/2010:14:32:55 +0100] "CONNECT 213.92.8.7:31204 HTTP/1.0" 200 1606

[Code]...

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Ubuntu Servers :: Proxy While Passing Through Another URL?

Nov 20, 2010

I'm trying to set up a hot spot using a squid proxy server for network logging of accessed website URLs. I really would like to pass all web traffic through a custom PHP program.Like when a computer tries to access www.google.com it first goes through the proxy server, and then the proxy server sends back a URL like URL...which is then accessed by the end-user's computer.. I'd eventually set up the php program to redirect the user to the requested URL after my application executes.Is this at all possible to do, with or without squid?

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Ubuntu Servers :: Alternative To Ps3 Proxy

Nov 26, 2010

I would like to have some software on ubuntu which does what ps3 proxy does.

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Ubuntu Servers :: How To Setup Web Proxy

Jan 16, 2011

I've got LAMP up and working and I'm currently hosting a joomla install on the server. I was wondering if there's an easy way to get a web proxy working on my site. I'd like to be able to use it just like you would at hidemyass.com. By simply supplying a url it'll provide the proxy services for me. I've looked through joomla's extensions library and don't see any extensions that'd provide that functionality. I was hoping that there'd just be some prepackaged web proxy application I could install.

Anyone out there know of any simple way of getting this up and running. I've looked at Squid but that looks like it's primarily a proxy server intended for internal network users. I didn't see any sort of web proxy feature to install on a web server there.

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Ubuntu Servers :: Set Up Proxy Within A Secure Webpage?

Feb 23, 2010

I would like to set up a proxy server at home which i can use to access sites from work. I was thinking a web-page i log into and then a sort of use like a browser? like this for example, but where i can have a secure login

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Ubuntu Servers :: How To Change Proxy After Install

Mar 29, 2010

In the 9.1 server install you can specify a proxy server for updates. How do you change the proxy after the install?There must be a config file somewhere but where?

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Ubuntu Servers :: Apache2 Reverse Proxy ?

May 11, 2010

A first server with apache2 installed and configured as reverse proxy, that works great, with this version:

That works mostly, but fail with an oma (outlook mobile access) redirection

It works for all reverse sites hosted, but when we try to connect to oma using a nokia phone, it fails.

I can see in access.log that it hangs on FolderSync istance.

I've used wireshark to sniff packets, and in oma server I can see only three way handshaking coming...

My doubt is: when I'll upgrade working server, also it will not work anymore...

Configurations are the same (I've copied /etc/apache2 folder from running one to new one).

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Ubuntu Servers :: Proxy Authentication Against OS X LDAP

Jun 18, 2010

I've just installed Ubuntu Server for the first time with the goal as setting it up as a proxy server for our Apple computers here since I can get neither ISA of OS X Server's firewall to play properly. So far I have the machine authenticating against our OS X OpenLDAP server and multiple NIC's setup ready to be connected to the outside world. My question is does anyone have a preference on what proxy I should be using? So far my search efforts seem to of turned up Squid Proxy as a favorite among Ubuntu users but I can't seem to work out how to get it authenticating against my OpenLDAP server.

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Ubuntu Servers :: Controlling A Socks Proxy?

Feb 27, 2011

I have my desktop set up as a SOCKS proxy, and not only me uses it, some friends do too.What I would like to know is how to check every now and again what they are using it for... for example the agreement we have is that they only use it to watch BBC iplayer and 4OD etc while they are abroad. What I dont want is them to pointlessly use it for other browsing.I trust my friends wont, but is there also a way of checking they arent using my connection to download illegal torrents?I guess best case scenrio would be to be able to whitelist only a few sites per user request. Is this possible?

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Ubuntu Servers :: How Do I Set Up Proxy Server For Windows?

Jun 11, 2011

How do I set up a proxy server for Windows ? Can I use openssh ?

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Ubuntu Security :: Tor Be Used With Network Proxy?

Mar 5, 2011

When i click preferences-network proxy a screen of comes up showing the system internet configuration. Is there a way to make all system connections got through tor?

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Ubuntu Servers :: Internet Access Via Proxy Server ?

Apr 28, 2010

Ubuntu lts server distro using on remote machine. i have remote site where internet access given via squid proxy. so when we enter in browser it start working internet fine. but on command line(bash shell prompt terminal) like wget,ping,nslookup,traceroute etc these commands does not work.

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