All Questions
6 questions
-1
votes
1
answer
4k
views
How to redirect traffic from specific IP to localhost using iptables
I have executable and it tries to connect to 10.5.5.100:22 (ssh) address which does not exist. I want to redirect that traffic to localhost:22 using iptables.
- 39
0
votes
2
answers
596
views
Removing port from TCP_IN does not close it from outside traffic on CSF
A few days ago I have installed CSF on my Ubuntu host via SSH. Everything seemed to be working fine and I had the chance to play with it for a few hours. Figuring out how I close and open ports. ...
- 178
1
vote
1
answer
2k
views
iptables SSH brute force protection [closed]
I have an iptables firewall with the default INPUT policy set to DROP. I'm using this for slowing down SSH brute force attempts. The problem is that if I leave the last line in, the previous rules don'...
- 63
0
votes
1
answer
1k
views
Opening a custom port on AWS
I'm configuring a NAT instance that should redirect all incoming requests on port 2222 to port 22 of a server in a private subnet on my virtual private cloud, so I can connect with SSH straight to my ...
- 235
0
votes
2
answers
936
views
Block SSH Port in Ubuntu
I want to secure my server by accepting SSH port to my IP address using an internal iptable. I want to know is it good solution ? What happen if I lose my IP address and I will not able to connect SSH ...
- 12.5k
1
vote
2
answers
2k
views
AWS EC2 Instance - ssh "Connection timed out" suspecting iptables
I am new to firewalls. I was playing with iptables on ec2 instance earlier today but now I am unable to connect via ssh - "Connection timed out". The console shows the instance is running and the ssh ...
- 1,389