All Questions
21
questions
0
votes
0
answers
342
views
Use TPROXY feature of iptables with Ubuntu 22.04
I'm trying to use the TPROXY feature of iptables.
For example :
iptables -A PREROUTING -t mangle -p tcp -i eth0 -j TPROXY --on-port 5000 --tproxy-mark 1
This feature works perfectly on Ubuntu 16.04 (...
- 1
0
votes
0
answers
183
views
Route traffic from VPN to web proxy
I'm struggling for days to do this:
I've got an Openvpn installed on a ubuntu server, I want this traffic to be routed to a web proxy (socks5), so it will look like this :
Device->VPN->Proxy->...
- 1
0
votes
0
answers
298
views
I need a secure method to access the internet over a hotel's open wi-fi (TOR proxy?)
I need to communicate securely over a hotels open wi-fi. I've read many articles and how-to's.
Using a TOR server/proxy sounds good. I can't access my bank, my email, etc. through the clear-text
...
- 49
0
votes
1
answer
2k
views
How to forward traffic on various ports through a wireguard vpn using iptables/ufw
I have 2 machines running ubuntu 22.04, we will call them server and proxy. The proxy is a vps with an static public ip, and the server is running behind a nat. I want to route all traffic on some ...
- 101
0
votes
0
answers
49
views
Running an Ubuntu wireless access point with NTLM
An ubuntu 18.04 server is located in our company behind a corporate proxy and should serve as an access point using a wifi usb adapter (wlan0 interface). Authentication is done via NTLM and CNTLM is ...
0
votes
1
answer
11k
views
Squid Proxy - The requested URL could not be retrieved
I'm trying to redirect all of my subnet traffic to a squid proxy using iptables on the router gateway (the squid proxy is located in the LAN).
The redirection works (cache & access file respond ...
- 1
1
vote
0
answers
88
views
How to prepare a server for proxy on Ubuntu 16.04
I'm trying to prepare a proxy server using Ubuntu 16.04, my server has the following nics:
enp4s0 Link encap:Ethernet HWaddr 00:15:c5:f6:c0:36
inet addr:192.168.0.101 Bcast:192.168.0....
- 1,606
0
votes
0
answers
461
views
Updating repositories returns an error
While installing DansGuardian, as per the instructions in the following link:Dansguardian Content Filtering With Transparent Proxy On Ubuntu 9.10 Karmic, I set the iptables using sudo iptables -t nat -...
1
vote
1
answer
792
views
sudo apt-get install not working after deleting squid and iptables
I am facing issues with running apt-get update and apt-get install on my system. This is after deleting squid, iptables and dansguardian. I was trying to install DansGuardian, and ran the following ...
4
votes
0
answers
395
views
How to get Docker images to use my transparent/intercept squid on the host without touching Docker images?
I have a squid instance running on my server which is connected to 192.168.178.0/24 through eth0 with 192.168.178.26 and serves as gateway for the LAN 192.168.179.0/24 through p18p1 with 192.168.179.1....
- 6,260
2
votes
0
answers
1k
views
Forward FTP to another Server
I am trying to forward all incoming FTP Connections at Server A to another Server B. I tried this using iptables and am able to connect in first step. The problem is that after entering the passive ...
- 21
1
vote
1
answer
3k
views
Setting up Tor as a Transparent Proxy
I have been following this guide at Tor Project.
The problem is I do not know what to do with the iptables ruleset. Where do I copy it to? I've been using the Tor network for years now but only on ...
- 11
4
votes
1
answer
3k
views
Docker Transparent Squid Proxy
I am trying to run a squid3 transparent proxy in a docker image, on my laptop. Then on the same laptop I want to use the transparent proxy. The reason for the proxy is to abstract a corporate proxy ...
- 41
2
votes
1
answer
793
views
how to remove squid to work as nat that already configured in ubuntu?
I'm running squid3 in my Ubuntu 14.04 and tried remote proxy use for study purposes . When I try remote access with another computer in the University LAN, I encounter empty cache log. So I have tried
...
- 1,595
1
vote
0
answers
276
views
Transparent proxy listening on sub-interfaces
I have iptables and squid on the same box. HTTP traffic doesn't seem to be going through the transparent proxy when I change my rules on the filter table.
What is the best point to filter http ...
- 36
3
votes
0
answers
331
views
VirtualBox, Ubuntu clients, internal network proxy to supply internet
Probably this question was asked many times, but I seem to be unable to find proper solution.
Here is my setup:
Two virtual machines(Ubuntu 12.04) M1 and M2.
M1 has 2 network adapters: eth0 set to ...
- 31
7
votes
1
answer
27k
views
iptables doesn't redirect http traffic to my Squid proxy!
I arranged a transparent Squid proxy which listens to port 3128 on localhost, to block some web sites.
I've tested the proxy using Firefox, and it works.
Then I ran this, hoping to redirect all the ...
- 9,415
8
votes
3
answers
24k
views
Error message when entering iptables command (table does not exist)
I have been trying to install Spotify, but when logging in I get a message saying I have an error 101. This appears to be related to either my proxy settings or to my firewall. Following instructions ...
- 81
2
votes
1
answer
933
views
squid + iptables not working
I would like to setup a proxy on my ubuntu VM to test a PHP script that must use a proxy.
I installed Squid and made some things with iptables command.
I wrote :
sudo iptables -A OUTPUT -p tcp --...
- 21
0
votes
1
answer
509
views
Use a proxy which connects to the school proxy
How to get my computer use a proxy ON my computer, which connects to the school proxy ?
The reason I ask this, is because I need all programs on my computer, absolutely the whole system to go through ...
- 975
5
votes
2
answers
5k
views
iptables rule to force all browsers to use proxy
I have installed squid as my proxy server in Ubuntu 10.04 standalone system which has a single NIC. Why i have installed Squid in a standalone system is because of my friends who uses my system to ...
- 82.4k