3
votes
1answer
561 views

Are automatic security updates recommended for Ubuntu Server

I'm setting up a new server. It will be mostly hands of for sysadmin management, because it's not used for anything too high traffic/ enterprise. If I choose automatic security updates will the ...
3
votes
3answers
2k views

What are reasons to disallow ICMP on my server?

An EC2 Instance has ICMP services disabled by default. While it's not totally clear to me why, I think it's because it could be a potential security risk. At the moment I'm enabling Echo Responses ...
0
votes
1answer
62 views

If I combine my windows 7 pc and a dedicated VM ubuntu server, will this jeopardize my pc?

I've googled the internet and haven't been able to find a clear answer. Mostly because people keep their dedicated servers separate from their pc, let alone run it in a virtual machine. So in what ...
16
votes
6answers
13k views

How to fix warning about ECDSA host key

I'm trying to setup passwordless ssh on an Ubuntu server with ssh-copy-id myuser@myserver, but I'm getting the error: Warning: the ECDSA host key for 'myserver' differs from the key for the IP ...
0
votes
1answer
503 views

Person hacked server using postgres user account - What kind of access would this person have?

someone hacked one of my servers using postgres user account. what I do not know is: what is this users home folder? where would bash_history be?
3
votes
4answers
20k views

How can I log SSH access attempts and keep track of what SSH users end up doing on my server?

I've had a few security problems with a server of mine because a few SSH users have been causing problems. So I would like to: Track user logins and logouts Track activity of these SSH users, in ...
0
votes
1answer
95 views

What security issues will I face when hosting a web app from home and how should I deal with them? [closed]

I'm considering hosting a publicly available web application from my home with the latest ubuntu server, the ruby on rails framework, some kind of SSL, and mongrel. What security issues will I face ...