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Apr
26
awarded  Popular Question
Mar
29
revised Do NATs rewrite ipAddress in payload of ICMP packets?
added 285 characters in body
Mar
29
answered Do NATs rewrite ipAddress in payload of ICMP packets?
Mar
27
comment fallback route to drop packets if output interface that is NATed to goes down?
It seems openvpn has option down config option which enables you to execute script when connection is down. You can use to add your iptables REJECT rule.
Mar
24
comment iptables: still all ports open even if access had been restricted
How can they see ports open and can't use them? What do you get if you use telnet your_ip 22 for example?
Mar
24
revised iptables: still all ports open even if access had been restricted
Fix formatting
Mar
8
answered linux + dropped value from ifconfig
Mar
1
comment port rerouting with iptables not working
Did you allow incoming and outgoing traffic in filter table? Please, post the output of iptables -L -n -v.
Mar
1
answered port rerouting with iptables not working
Feb
28
answered Bash for loops and hostnames and how to generate them
Feb
3
comment Server becomes unresponsive
Use tools like htop, atop, vmstat.
Feb
1
comment How safe is IPtables whitelisting?
If you are running them in a script, there is no difference. However, you will lock-up yourself when you set policies to drop before allowing your access!
Feb
1
answered How safe is IPtables whitelisting?
Jan
7
answered logrotate issue with date appending
Dec
6
comment iptables REDIRECT works only for first packet
@MirkoBanchi: Look at the post I am referring in my answer
Dec
6
revised iptables REDIRECT works only for first packet
added link
Dec
6
answered iptables REDIRECT works only for first packet
Dec
1
reviewed No Action Needed Chef / Vagrant - Kitchen cant connect to Update Jenkins
Dec
1
reviewed No Action Needed Exchange server cannot connect to remote host
Dec
1
reviewed No Action Needed Windows module installer delaying login, server 2008 R2