Forum: Security

I want to block all other IPs and allow only: (1) USA (2) Canada (3) Europe (4) Australia but I want to do that in *the most efficient way*,...

I know I can use PAM and the access.conf file to restrict root SSH logins from specific IP addresses, so I want to do that but I also want ROOT to...

how i can get permissions to execute iptables commands through php code? i mean that i want to allow apache to run iptables commands.

Using Linux for wireless scanning is safe? I am looking for a wireless scanning ticketing system and I've found one company goes by the name of...

hi I've setuped Anti-Virus Proxy HAVP+CLAMAV+SQUID on my debian etch stable. with HTTP it seems to work, but the file download over HTTPS, for...

Is there any website which contains announcements about all the latest vulnerabilities which have been discovered in the kernel ? Same question about...

Hi All, This is my first post in the forums. I have done a search of all possible combinations of keywords in the "Linux Security" sub forum for...

So I have to login to my home server from remote locations from time to time and I do this using SSH and usually Putty for Windows unless I am on a...

Hello to everybody After been experimenting with Sgui/Snort i have all parts working, and a sensor installed in the site capturing data from the...

os suse 10.1 I think the list is very long do i have security problems? linux:/etc/ssh # chkrootkit ROOTDIR is `/' Checking `amd'... not found...

I have an SSH tunnel server that some people at work are using instead of a vpn since it's much nicer and simpler. I don't want to give the users...

I upgraded to the latest ubuntu release, Hardy Heron 8.04, and noticed a shell process marked in the system monitor called 'sh Zombie'. It has a...

Hi guys I wanna collect the raw data to and from my server to cisco router. I googled and read up tshark, tried to find some simple guide for it...

I've been studying up XOR quite a bit, for various reasons. Mostly a trip back into the world of programming, but I've sort of been challenging...

i know that exec function in php used to execute commands , i have a problem:i try to use exec function to execute iptables command but i...

Hi all, I've a problem with my pendrive. I'm looking for some help. It sure is a windows virus but it has corrupted my pendrive and hence I'm...

i want to find the port number of apache server. because i have problem: when i start the apache i can not connect to the internet.

Hi, I'm in the process of setting up a laptop and I would like to secure the data on it with some kind of two-factor authentication. I have surfed...

Hi, How secure are my files in Linux? If lets say I want to keep certain documents hidden from others, is there a way to protect them better...

how i can execute this iptables command iptables -A FORWRD -p tcp --sport domain -j REJECT