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-2 votes
1 answer
527 views

IP addresses of ubuntu servers which apt-get connects

My server uses Ubuntu 22.04 LTS. I have a very restricted firewall (UFW), that is, I have run these commands: sudo ufw default deny outgoing sudo ufw default deny incoming But, I would like my system ...
Rea K.'s user avatar
  • 11
1 vote
1 answer
3k views

Ubuntu server behind a firewall

I have a problem regarding a server behind a firewall, essentially, the whole internet is blocked, and I can't use the "add-apt-repository", problems like "X user or team does not exist&...
Yahya Ahmad's user avatar
0 votes
0 answers
150 views

Ubuntu 18.04.5 LTS update psad+fwsnort rules block canonical ip

I am trying to update and I get the following error from synaptic: W: Failed to get http://archive.ubuntu.com/ubuntu/pool/main/l/linux-hwe-5.4/linux-modules-extra-5.4.0-77-generic_5.4.0-77.86~18.04....
cjfjavier's user avatar
1 vote
2 answers
3k views

Ubuntu server behind corporate firewall

I really hope that someone here. I'm setting up an Ubuntu server behind a corporate firewall. I'm trying to get repositories to work. The problem I have found it that it is not that straight forward. ...
Magnus Olsson's user avatar
1 vote
1 answer
3k views

How to extend APT connection timeout?

I would like to extend the length of time that apt waits when downloading packages. Not the initial connection time as discussed in this question, but extend the time it waits to finish. The reason I ...
noslenkwah's user avatar
4 votes
1 answer
8k views

Getting IP whitelist of repo servers (Ubuntu 16.04)

We have various Ubuntu appliances deployed throughout the US. We've run into some situations recently where we are getting requests for IP whitelists (instead of FQDN whitelists) of the repos that we ...
Vitaly Markovsky's user avatar
0 votes
2 answers
1k views

Iptables v1.60, change policy to Drop

I have two questions. First: I want configure iptables on my Ubuntu 16.04 server, like: INPUT policy DROP and after that allow one by one ports. All is ok but when i put: iptables -p INPUT -j ACCEPT, ...
Ognjen Stanisavljevic's user avatar
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 ...
alilland's user avatar
  • 123
0 votes
2 answers
69 views

Network configuration | apt can't download anything

I'm having some issues with the FTP server I'm currently setting up for my company. I installed the server completly, updated everything and the server works fine now. I installed everything behind a ...
madmax's user avatar
  • 1
0 votes
1 answer
5k views

apt-key add <file>; apt-get ... keyserver timeout on same key

I'm behind a firewall (i have the proxy setup - just like in Why does add-apt-repository now fail to retrieve keys behind my proxy server, but I can update package lists and manually receive the keys?)...
HankCa's user avatar
  • 266
1 vote
1 answer
4k views

Differences between UFW and GUFW

From what I have been able to piece together, the firewall that comes with Ubuntu is iptables, which is very complicated, so an easier way to access the firewall is through UFW and GUFW. UFW is ...
user300173's user avatar
4 votes
3 answers
4k views

apt-get does not work without an internet connection. How can work around this?

I have a host which is firewalled to the point where apt-get is unable to download packages. That host does not have access to a proxy. I know in gentoo I could work around the problem by fetching ...
Mutant Bob's user avatar
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 ...
vishal1985's user avatar
0 votes
3 answers
119 views

APT downloading without my consent

I installed natty (11.04) and wanted to play a video. Went through the process the cancelled because it was slow and files were relatively large unstable and it was late .(Internet very expensive for ...
Inemesit Affia's user avatar
0 votes
2 answers
2k views

iptables problem

Hi guys i have the follwoing iptables file for my ubuntu 12.04 server. ITs a bit messy because i tried different ways to fix it but the problem is it doesnt allow apt commands such as apt-get to run. ...
feribg's user avatar
  • 141