I need to redirect incoming tcp port 25 on interface eth1 to another server all together on the same port. How can I do this with iptables?
How do I ban 83.*.*.* with iptables?
I have a fedora firewall for my organization, now I am also setting up a new linux-based box with a proxy/content filter. What I want, is to redirect all outgoing port 80 traffic to get out th...
I have a rather elaborate linux cluster setup with twin controllers, twin file servers, numerous production servers, and a few other machines 'hidden' behind the cloak of lvs. Great.
I've m...
I hope someone out there can help me, I am new to linux etc, but have managed to get a FED Core 7 system up and running with Squid and Dansguardian. I have managed to build what I think is a g...
I have been told to block certain site (facebook) using Iptables. I did this succesfully. Now I want to let certain users to the site (my boss, who asked me to block the site lol).
I put th...
I'm pretty good setting up an access list on a PIX, but these IP tables on a Linux machine confuses the heck out of me.
I've got two servers, 1 at each branch. Server A with 2 network card...
How can I modify the following iptables file so that I can get to port 25 from outside? I've found that if I do "telnet localhost 25" then it connects. But if I do "telnet mydomain.com 25" the...
I am running Redhat ES 4 Update 5 with the firewall enabled.
I am installing the Oracle Application server. It has a number of ports that have to be opened to communicate with the internet...
This posting has been a long time in the making. The root of my issue lays with the fact that my implementation of iptables loads too many values as part of its default configuration pushing m...
Hi guys hope u can help out.
I have a linux RedHat Enterprise Desktop ver 5 machine at home.
It has just the one network card. It has apache running.
I also have a wirelss router that per...
Please watch the image.
http://filedb.experts-exchange.com/incoming/2008/09_w37/58278/Problem.jpg
How can i forward the TCP 80 port to a VPN Client?
This is my working IPtables NAT ru...
Dear Expert,
I have some problem in implementing iptables firewall. Please see my attached code for firewall. At Point $IPTABLES -P FORWARD DROP it blocks all internet traffic even if i exp...
I have 6 IP Public addresses and my
Router - 124.xxx.xxx.1
Linux box eth1 - 124.xxx.xxx.2
Linux box eth0 - 192.168.0.80
i want to deploy public DNS on 124.xxx.xxx.3 and do not want to...
I'm having a heck of a time getting my Linux routing to work. Because I was hacked a while back I decided to build in two levels of firewall in order to try to protect my systems. My network...
i have ubuntu setup with 4 NICS
eth0 192.168.1.1 (MAIL, DNS, Firewall)
eth1 192.168.2.1 (SQL, Active Directory)
eth2 192.168.3.1 (ADMIN1 PC's)
eth3 has 2 IP's 192.168.4.1, 193.168.5.1 (A...
I'm wanting to setup a linux server using IPTables to perform firewalling and routing functions. i've done this with NAT without concern. However, I'm just not getting a grasp on how to set th...
I have an Ubuntu 6.06 box configured in bridge mode (2 nics) with Squid and Dansguardian installed. This is working great with ebtables and iptables. I followed the instructions here: http://f...
i have linux machine with 4 nic
eth0 192.168.0.20
eth1 192.168.1.20
eth2 192.168.2.20
eth3 192.168.3.20
PC1 192.168.0.77 connected to eth0
PC2 192.168.3.66 connected to eth3
from PC...
I'm not sure if I should be in the sendmail forum or iptables, please let me know...
I have a very simple enviroment. I would like to restrict inbound access to my sendmail server to a know...
I host a bunch of servers, some on completely separate networks. I have 15 public IP address on TWO completely separate networks. The range assigned to my firewalls is on a subnet ending in ...
I'm having trouble getting Outlook to work with outgoing SMTP on my server - it's working fine for POP3. I added in incoming and outgoing port 25 tcp, but to no avail. Can someone tell me wh...
I have two Server machine connected to internet as following
1. Linux Server(208.116.12.106)
2 . Windows Server ( 208.116.51.10)
Now what i need that all the incoming traffic on port 2...
I am looking for software or a method to test my firewall setup against various attacks, as well as a log parser that will alert me when things get fishy. Something visual is preferred but no...
Hi
I need to understand regarding below script.
1- Is below script is correct? it is running but does it done in proper way?
2- this script is made by person before me. So I quite blur on...
