IPTables Proxy NATview story

http://serverfault.com – I am trying to create a proxy NAT that will forward a port to a remote host. I have two interfaces: venet0:0 and venet0:18. I want to be able to forward connections from venet0:18 to venet0:0 and then out to a remote host. I have tried this: http://www.debian-administration.org/articles/595 and it does work but I cannot get it to forward the packets through my other interface (venet0:0). (HowTos)

What prevents a machine from responding to pings?view story

http://unix.stackexchange.com – I have a CentOS release 5.4 linux box on Amazon EC2 that I'm trying to set up to be monitored via Nagios. (HowTos)

How to reject HTTP access to SSH portview story

http://serverfault.com – I changed my server SSH port to something else than port 22, however when I access to domain.com:<ssh-port> I can see an output of SSH-2.0-OpenSSH_5.8p1 Debian-7ubuntu1 I want to block direct port access except SSH, how can I do this with the iptables? (HowTos)

One device for routing/firewall/ISP balancing/gatewayview story

http://serverfault.com – Here are my three choices: Right now I have a cisco ASA that I'm using for a firewall, vlan router, gateway, and ISP failover. There isn't enough control in the ASA for what I need and the license to do it gets very expensive. So upgrading that license is my least favorite option. (HowTos)

Iptables: how to redirect port 80 only for a specific domainview story

http://serverfault.com – sorry for the title, but im such a newbie in server configurations. (HowTos)

Can SSH locally but not remotelyview story

https://bbs.archlinux.org – I have seen many thread on this and I cannot understand why it is not working for me.I had SSH server working yesterday and today it stopped working./etc/hosts.allow# # /etc/hosts.allow # sshd: ALL # End of file ~ /etc/hosts.deny# # /etc/hosts.deny # ALL: ALL: DENY # End of file ~ (HowTos)

Can sealert display the full command of a denied access request?view story

http://serverfault.com – I am managing a Red Hat Enterprise 5 system using Chef. (HowTos)

Can't SSH in to AWS VPC second ENI from with in same VPCview story

http://serverfault.com – I attached a Second ENI to my Ubuntu OS machine on AWS VPC, the internal IP of this new ENI is When I try to SSH in to this machine from another machine in the same VPC I get a connection time out. I am able to SSH in to the first ENI of the same machine both from inside and from outside the VPC. (HowTos)

[ubuntu] Shell Acript Helpview story

http://ubuntuforums.org – Hi, I have created the below shell script: Quote: #!/bin/bash TotalData=$(grep dove /var/log/auth.log | grep "authentication failure" | awk '// {print $13 "," $14}' | replace "ruser=" "" | replace "rhost=" "") $(iptables -F input-pop-hack-blocked) for i in $TotalData do UserName=$(echo $i | cut -d&quo (Hardware)

IP Tables Issue on VPSview story

http://serverfault.com – Running a VPS with Centos 6. If I run ifconfig, the adapter with net is named venet0:0-00 venet0:0-00 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:hidden P-t-P:hidden Bcast:hidden Mask: So I run this: iptables -t nat -A POSTROUTING -s -o venet0 -j MASQUERADE But it tells me, iptables: No chain/target/match by tha (HowTos)