All Questions
25
questions
2
votes
1
answer
532
views
3proxy, plain HTTP proxy, "Failed to connect"
I'm trying to configure 3proxy on Ubuntu 22.04, following the instructions on the developer's website as well as tutorials from the internet. I need a standard HTTP proxy. All HTTP and HTTPS ports are ...
5
votes
3
answers
3k
views
“No new release found” when upgrading from 16.04 to 18.04 LTS?
I'm trying to upgrade from 16.04 to 18.04 LTS. When I go to do-release-upgrade, though, I get a message "no new release found."
I've tried editing (or not editing) /update-manager/release-upgrades; I'...
- 61
1
vote
2
answers
5k
views
Set UFW to accept connection from local source only
I have a server with Ubuntu server and UFW firewall. Server runs docker, and in docker two containers. One is a proxy server, another is some other service with WebUI on port 42111. This service has ...
- 6,561
0
votes
1
answer
727
views
Host Unreachable through browser but can be ping
I have setup a web server, and then it's working fine when accessed through browser. Suddenly the site cannot be reached anymore (Host unreachable). I can ping the Ubuntu server but cannot accessed it ...
- 71
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 -...
0
votes
0
answers
381
views
Redirect denied connections from ports 80 and 443 to a 403 page
I have a server that is running sniproxy. I have ufw as a firewall, which I use to allow certain IPs to use the proxy. However, I need to send the denied attemps to a 403 Forbidden page. Can someone ...
- 1
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
4k
views
Ubuntu sits behind a corporate proxy/firewall -- how can I install packages?
I have a clean install of Ubuntu 16.04 LTS, but because my machine is running behind a corporate firewall/proxy I cant figure out how to overcome the obstacles. I know we have a corporate proxy, and I ...
- 123
10
votes
1
answer
37k
views
Configure a Tor proxy on Ubuntu 16.04
Here's my issue: I'm using the university internet connection quite often. The network has a firewall which blocks the connection of some programs like IRC (Xchat, Irssi), sometimes even the Software ...
- 103
1
vote
0
answers
206
views
Ubuntu as a bandwidth throttling box on windows network
I need to test the performance of some applications over different capacity connections (broadband, EFM, LAN extension etc). How would i configure an Ubuntu server to sit between the main network (17....
- 11
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
2
votes
0
answers
254
views
How to know the all minimum privileges that software needs?
I am using a VPS as a public proxy, and I have begun to realize that I must make my VPS more secure as I have seen in Securing Public Shadowsocks Server. Shadowsocks is a fast tunnel proxy that helps ...
- 2,411
1
vote
1
answer
457
views
How can I tease Sonicwall?
In my college, I can't use the web, because they use Sonicwall network firewalls
How can I tease it? For I use all websites in my college?
Please see the result when I access a website blocked
...
- 139
0
votes
1
answer
660
views
Server not found problem
I've encountered an problem, maybe trivial - when I try to load this page: http://home.thep.lu.se/~torbjorn/Pythia.html I recive classic 'Server not found' page. I'm using Mozilla Firefox on Ubuntu 12....
- 1
0
votes
1
answer
65
views
Unresolved error with browsing a website : Error 404
I am running on Ubuntu 13.04 64amd.
I cannot access the website which I built online through all my browsers. It redirect to the server and it says the Error 404.
I asked from the server (Through ...
user224082
0
votes
2
answers
640
views
Updating 10.10 to the latest version through a firewall [duplicate]
I've had Ubuntu 10.10 on my server since I bought it several years back. I've tried to upgrade in the past but I'm always thwarted by my company's firewall. I receive messages like these:
W:Failed to ...
1
vote
1
answer
1k
views
using proxy with online flash games
when I try to play this flash online game "tankionline.com" using our university proxy I get this error "Cannot establish connection (host: 62.152.57.11, ports: 4444,5190,5223,5222,5050)".
In windows ...
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
0
votes
1
answer
2k
views
What is the default ubuntu 12.10 firewall? [duplicate]
I have been trying to get ubuntu one to work (i.e. sync my files), but it keeps saying that it is "getting information" and "please wait". I only have 338MB used on my Ubuntu, so it shouldn't take ...
- 31
4
votes
5
answers
6k
views
issues in installation of mongo DB
I was installing mongo DB on my Ubuntu-12.04 system, but while i give the following command in my terminal
apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10
It gives me the following ...
- 143
1
vote
1
answer
935
views
User to access only to specific IP addresses
How can I setup Ubuntu box so logged user can access only to several IP addresses, on all protocols?
Additional problem is that Ubuntu uses proxy to acceess to internet.
Tried with UFW, but did not ...
- 209
3
votes
1
answer
336
views
Failed network lookup
I'm running Kubuntu 12.10. I am having three networking problems that I think might actually have a common cause, even though they are in apparently unrelated areas. I had them in 12.04 also:
When ...
- 2,141
3
votes
2
answers
4k
views
How do I set up a linux proxy for my mac
As my title suggest, I would like to set up a proxy in linux. The client that I'm using is a mac osx lion. I think I understand the theory but I keep hitting roadblocks.
I started using set proxy ...
- 133
3
votes
1
answer
777
views
local development LAMP server: routing external requests through SOCKS proxy
I've got a (virtualized) local LAMP server on Xubuntu 12.04 that I am using for Drupal development. I'd like to learn how to use web 2.0 integration Drupal modules (eg. youtube, facebook, etc.) but I ...
- 12k
3
votes
2
answers
3k
views
Is there any software for bypassing the firewall?
I am using ubuntu 10.04. Is there any software to bypass the firewall configured by my network administrator. I have seen my friend using software named ultrasurf in windows which bypasses the firewll,...
- 93