0
votes
0answers
21 views
Forwarding all outbound http traffic to a proxy on a Linux machine
I want to:
Forward all the outbound http traffic on my CentOS machine to a proxy on host a.b.c.d 8080
Except for foo.com and bar.com
what are seamless ways to do this.
Notes:
I cannot modify ...
0
votes
3answers
73 views
+100
Force clients to use proxy
Here's my network configuration:
The proxy server is running Ubuntu with Squid on port 3128 and DansGuardian on port 8080.
I'd like to force all clients to use the proxy server - specifically, ...
0
votes
0answers
17 views
Configure Cntlm to use no proxy if none are available
I am behind a corporate firewall in the day, and on an open internet connection at night. I have configured cntlm to forward to my corporate proxy, but when I connect from an open connection, I must ...
-1
votes
1answer
32 views
Cannot access local repository behind firewall [closed]
We recently have a new firewall - Cyberoam implemented in our college. Along with the firewall we also have a proxy configured for unknown reasons. The previous one worked using simple LDAP but this ...
0
votes
0answers
59 views
Cascade two firewall/routers to have one as proxy
In my small office I have a setup like this:
{internet}->[dslmodem]->[firewall]->{LAN}
Now I want to add a proxy into this. It is a Linux-PC that has also a small webserver. It has two interfaces ...
0
votes
1answer
30 views
External Client should use our proxy to get filtered by our firewall
I would like an external client (4.3.2.1) to use our proxy (9.9.9.9) which forwards traffic to our firewall (8.8.8.8) which then forwards the traffic back to our client (4.3.2.1).
So I'm curious if:
...
3
votes
1answer
176 views
Blocking Google Analytics breaks some applications
We block Google Analytics (corporate policy). We have a few 3rd party Windows applications that ping Google Analytics when users sign-in, or when help is opened. Unfortunately since we are blocking ...
1
vote
2answers
626 views
ADFS 2.0 Proxy Server Vs. Opening ADFS Server to public
We are working on deploying ADFS for SSO with o365.
We have a consulting firm that handles our firewall configuration.
Today, while attempting to get them to set up a DMZ for me to install my ADFS ...
1
vote
2answers
91 views
Default web page for no proxy setup
do you think it is possible to configure the net firewall or proxy or the webserver to redirect every http request (not from proxy server) to a static web page that tells the user how to configure his ...
-2
votes
1answer
135 views
How does a proxy server forward reply to the client?
A proxy maintains anonymity, i.e. the server replies to the proxy thinking that it is the client. now after receiving the reply fro the server, how does the proxy server forward the reply to the ...
0
votes
0answers
489 views
MIKROTIK: Open port 110
I have a mikrotik web proxy with firewall and hotspot.
I'm able to open major part of TCP (e.g. 25) port but not the port 110 for TCP.
What is the difference?
How can I open the port on firewall ...
0
votes
1answer
295 views
SQUID proxy + iptables
I'm using squid3 (on ubuntu 10.10) and it manage connection completelly fine.
But how can I secure the traffic by setting the firewall on the *same serve*r?
If I use firewalls like ufw or ...
0
votes
1answer
420 views
linux yum through a socks v5 proxy
I can't use yum because port 80,443 are being blocked by a firewall.
I setup a ssh proxy tunnel (socks v5), it works fine.
I've tried to find how to use yum with a socks v5, but looks like it only ...
2
votes
2answers
167 views
Rate limiting (cutting off) if exceed n connections per minute
What do you suggest I use to rate limit incoming http connections (get/post) based on n connections per minute?
If a particular client makes more than n connections in a given minute, drop all ...
2
votes
3answers
460 views
SSH from A through B to C, using private key on B
I'm looking for a simple way to SSH from my local machine, A, through a proxy, B, to a destination host, C. The private key that goes with the public key on C is on B, and I can't put that key on my ...
2
votes
2answers
117 views
Internet safety to protect children on a small network
I support a local organisation which works with school children. The organisation has 15 Vista and Windows 7 desktops, all joined to the same workgroup. All the computers simply connect to a wireless ...
-2
votes
1answer
140 views
Why we need Socks Proxy? [closed]
Is there any specific reason for customers to choose SOCKS proxy when compared to HTTP Proxy?
2
votes
2answers
725 views
Using RRAS to bridge two networks
I have the following setup:
Server A has two NIC's - one connected to each switch. Server B just has a NIC connected to the internal switch.
Server A and Server B can both ping each other. But ...
0
votes
2answers
93 views
Mysql proxying and port mapping
Hi I have something silly like idea to proxying mysql connections.
I have upload an image of my concept to here http://i52.tinypic.com/o7src3.png
There is a single machine on local network running ...
-3
votes
1answer
124 views
Tools to proxy my way out of a box [closed]
I've never had to do much tunneling before, but I'm wanting to throw together a simple, easily reconfigurable (preferably on the fly) proxy server on my VPS (Ubuntu 10.something for now) that I can ...
0
votes
0answers
90 views
Restrictive network firewalls, proxies, and SSL
Our app interfaces with our web server using the HTTP components of WinINet, and in the past, we've had issues with this on certain corporate networks. For example, I couldn't append additional HTTP ...
1
vote
4answers
705 views
How can i make settings in router to block certain websites during office hours?
My company wants to restrict access to some websites during office hours. How this can be achieved using Router or any other technique?
-1
votes
3answers
915 views
how to block Ultra surf on checkpoint or smoothwall firewall
i'm trying to block this since i've already blocked port80 and 8080 in my firewall, still the user are able to access the web
0
votes
1answer
117 views
What filtering system is blocking my users?
For automatic updates to an application I maintain, I have the app access a particular URL on our website, but I noticed from some logs that some users get some HTML instead, that begins with:
...
1
vote
1answer
154 views
Network components responsible for blocking or interfering with long URLs
UPDATE:
While we were working on this problem, we realized that HTTPS traffic does not suffer from the "long url" problem (unless, of course, you have an exceptionally long domain name). This ...
0
votes
2answers
373 views
block yahoo messsenger
blocking yahoo messenger based on
The order in which Yahoo Messenger scans for available ports is:
1. port 5050
2. port 80
3. All available ports
is impossible,"its better disconnect ...
1
vote
1answer
378 views
Transparent proxy and IPTABLES
I am using PRIVOXY as a transparent proxy on a Fedora Core 11 box. The machine has one interface (eth0) and here is the configuration of the network:
10.0.1.1 - router.foobar.com (connected to ISP)
...
0
votes
2answers
222 views
Firewall issue with multiple SIP PROXY / REGISTRAR servers
We have a pair of Internet-facing SIP PROXY/REGISTRAR servers (for resilienced and load-balancing). When a SIP phone registers, it will be handled by one of the REGISTRAR servers (round-robin DNS) - ...
0
votes
2answers
669 views
Force all outbound HTTP connections through a proxy
We run a few society websites behind a University firewall that mandates that all traffic goes through an internal squid cache / proxy.
While export http_proxy= works perfectly in the shell I'm ...
1
vote
5answers
2k views
Is SmoothWall a good firewall alternative?
I found this linux distribution, called SmoothWall. I read its documentation and it looks pretty for me. The only problem is, that I'm not a big linux professional and I have also not a lot of ...
1
vote
2answers
115 views
Is it possible to have an external server within a company's firewall?
I am sure this is server admin 101, but I am unsure of the answer and would love some help.
I am a software developer I have built an application for a client and am currently hosting it successfully ...
1
vote
1answer
64 views
Tunneling HTTP traffic from a particular host/port
I'm trying to figure out how to access from my development machine (Devel) to a third party web service (www.domain.com) which I am not allowed to directly contact using my office IP address.
Here's ...
2
votes
4answers
498 views
How to browse to a webserver which is reachable through the SSH port only
I have a server at work which is behind a firewall (the company's firewall) so it is reachable only thrugh port 22 (SSH). I'm able to connect to the server with putty without problems.
Also, that ...
0
votes
2answers
105 views
Changing Internet connection on ISA Server 2000
We are getting a new internet connection installed and will need to unplug the old one and connect this to our ISA Server 2000.
Will this be a simple swap out job? We will be given a new ip, which i ...
2
votes
2answers
1k views
setup ssh server and http server both on port 80
I have a web daemon (listening on port 80 and 443) and a ssh daemon (listening on port 22) on the same machine.
I have a client (generating HTTP,HTTPS,SSH traffic) seating behind a proxy server (port ...
0
votes
4answers
917 views
iptables secure squid proxy
I have a setup where my incoming internet connection feeds into a squid proxy/caching server, and from there into my local wireless router.
On the wan side of the proxy server, I have eth0 with ...
1
vote
3answers
1k views
tunnel over https proxy server (client-server model)
I need to get reliable Internet connection behind a restrictive firewall.
facts:
firewall handless HTTP CONNECT to anywhere as long as it goes to destination port 443
I have some servers publicly ...
2
votes
13answers
3k views
What free options are available for web content filtering?
I run the IT Dept at a small high school with about 500 users on the network. We have been using SurfControl for this which has been handy because it backs into MS ActiveDirectory very well. We ...
3
votes
2answers
117 views
Proxied access for chinese users?
I'm working on a web app that will have a large-ish chunk of users in China. The bad news is that most of them are university students, and access has been blocked.
Setting up a proxy server inside ...
3
votes
3answers
372 views
Transparent proxy to enforce terms of service
There are lots of programs that small businesses (libraries, internet cafes, etc) can install on local computers to enforce their rules and terms of service when using free resources. These aren't ...
2
votes
9answers
271 views
How can we alleviate security concerns when adding internet-connected 3rd party Windows CE devices to a network?
My company makes devices that run Windows CE and must connect to our website through a customer's internet connection. We sell these devices to all sorts of customers with a multitude of network ...
