Forum: Security

I tried to get the home network masquerade thing going and everything was going flawless (should have tipped me off) until i tried to execute the…

I have no idea with my script below. I don’t know where the mismatch. I plan to build a DMZ Server for windows sharing printer with this script, but…

Hey guys! I have my web server currently tucked in behind 2 routers that all have firewalls built in. I am looking to further increase my server…

Hello, I am running a BIND 9.3.2 nameserver to host my own domain. It is running smoothly and queries requests like a champ. This machine has a…

I have a new question about iptables. I have a router/internet gateway that has several different networks connected to it. There is…

i’m just trying to set up a firewall for our internet connection by using IPCOP; our internet connection is throu a router and it’s frame relay…

Hi! I’m planning on setting up a small gateway/firewall at home. So far I installed RedHat 7.3 and I’m ready to go for iptables and masquerading….

Hi, I have a winNT domain running at work on a LAN(this really isn’t a windows Q). Some users bought a linksys router to isolate themselves from…

Hi, I just installed Apache2.0 and it’s using nobody as the deamon user. Is this ok or should I change it to something else? Should I change the…

I am toying with iptables (v1.3.6) and it seems I miss something when setting up mangle table. For the purpose of an expiriment I start to download a…

Hi All: I am creating my first homegrown firewall I have 3 questions: Background: The firewall will be multi-homed. The subnet for this…

Hey everyone. I administer a LAN at a department at my university and soon we’re gonna switch from private to public IP space. Now as you will…

Hello, So I thought I’d get smart and set up a Linux machine as the firewall for my Win machines to Comcast. Problem is, it doesn’t work! Please…

Hi 🙂 , I have 2 servers, one running VMware ESX VI 3 (Linux OS) and the other running Windows Server 2003 Enterprise Edition. Currently I faced…

I’m not familiar with iptables, so forgive my stupid question: I need to protect rh 7.2 box in such a way that all outgoing traffic is allowed, all…

I mostly have experience with Checkpoint….for example I cannot install checkpoint 4.1 on the machine with 1 nic. Can I run iptables on the…

During the rh installation I marked ‘no forewall’. After installation i noticed in nt sysv that iptables and ipchains are running. 2 stupid…

Regarding the latest vulnerability discivered… The rpm that is available for download from RH site is sendmail-8.11.6-23.72.i386.rpm and it is…

Hi everyone. I’ve a question about a thing i’ve read on linuxhomenetworking.com/cisco-hn/dsl-pix.htm I don’t know if it’s the best place for…

Hi guys, i’m working on a firewall with a transparent proxy (tinyproxy) and a content filter (dansuardian). That’s my network scheme: Subnet…