All Questions
5
questions
1
vote
1
answer
1k
views
Failed login attempts, constant brute force
I'm running a VPS with an iptables firewall (configured via ufw). I have shut down all traffic with:
sudo ufw default deny incoming
sudo ufw default allow outgoing
After that I have opened certain ...
- 113
1
vote
1
answer
308
views
Lost SSH Access on AWS EC2 Instance Due to iptables restrictions
I have an Debian Linux EC2 instance on Amazon Web Services, and I am using iptables to open ports only from specific IP addresses. Unfortunately, all of the allowed IP addresses changed and I now can ...
- 88
1
vote
1
answer
1k
views
iptables: How to allow SSH through debian router?
This is the network map:
[External computer]---[Router]---[SSH server]
EXTERNAL NET <=|=> INTERNAL NET
Router is doing SNAT and port translation:
#~ iptables -t nat -A ...
- 13
0
votes
1
answer
870
views
Iptables rules suddenly not working
I'm trying to set up a webserver using an Odroid U3; as OS I have Debian 7.4. The issue came when trying to load the iptables rules with iptables-persistent. I'm using the same file with rules I've ...
- 1
0
votes
1
answer
4k
views
UFW default rules... where are they?
In the tutorial on UFW here
https://help.ubuntu.com/community/UFW
it says that UFW uses the default rules if enabled and not configured. I checked the folder:
/etc/ufw/
and the files I found there ...
