All HTTP connections refused from public IP yet all others are fine?view story

http://serverfault.com – I wasn't sure how to describe this problem in the title, so I'll give you a little background on it. I have a machine running Ubuntu 12.10 Server with Apache 2.2.22 (all packages at latest release version). It has been running very smoothly for about 7 months now, and I've only encountered minor problems with it every so often, mostly as a result of my idiocy. (HowTos)

Cisco HSRP with spanning-tree slow failoverview story

http://serverfault.com – I'm having an issue with networking that I can't wrap my head around since I'm not a strong networking guy to get this. From our provider we have 2 drops via HSRP that go into our cisco 2960 switches that are stacked. So each switch has a drop. From there we have two Astaro devices behind the switches that handle all the firewall and VLAN routing. (HowTos)

How do I conditionally forward ports depending on whether the package is requested? [closed]view story

http://serverfault.com – Situation: The Server is connected to the internet. On the server I have a virtual machine running which should act as a webserver. Another computer is connected to the physical server. (HowTos)

iptables doesn't stop hackersview story

https://www.centos.org – OK, as far as I can see the answer is "because you removed the rule that says" -A INPUT -j RH-Firewall-1-INPUT (HowTos)

ipset to block access to exim and davecotview story

http://unix.stackexchange.com – I have created a ipset with a bunch of IPs that I want to block access to dovecot and exim. The ipset is called "bannedIPs" and have been added to iptables using this iptables -A INPUT -p tcp --dport 25 -m set --set bannedIPs src -j DROP iptables -A INPUT -p tcp --dport 587 -m set --set bannedIPs src -j DROP iptables -A INPUT -p tcp --dport 465 -m set --set bannedIPs src -j DROP iptables -A INPU (HowTos)

arp reply is not processedview story

http://serverfault.com – My eth0 interface does not process a legitimate arp reply. When I try to ping a host, I see arp request and reply with tcpdump from the host I try to ping from, but ip neigh says that there is a failure. This has to do something with my bridge configuration, set up by quantum. I experience this when I have the following in /etc/network/interfaces: auto eth0 iface eth0 inet dhcp I do get an IP i (HowTos)

ConfigServer Firewall 6.01 Is Available for Downloadview story

http://news.softpedia.com – ConfigServer Firewall, an SPI iptables firewall that is straightforward, easy and flexible to configure and secure, with extra checks to ensure smooth operation, is now at version 6.01. Highlights of ConfigServer Firewall 6.01: • Ensure all binaries are called with their full paths for the scheduled Server Security Check reports; • csf -u/-uf/--update and -c/--check are now allowed whe (IT news)

Can not connect to the SSH no matter whatview story

http://forums.fedoraforum.org – I have server behind router and i have forwarded all ports onto server. I have done the following so far: 1)SSH is running 2)I can connect to it from the server itself 3)I can connect (using putty) from coputer, that is behind same router using both internal AND external ip 4)selinux is disabled 5)iptables service is disabled 6)router firewall disabled 7)fedoras firewall is configured (HowTos)

Webmin setup on CentOS 6.3view story

http://unix.stackexchange.com – I installed Webmin (based on Installing the RPM) for CentOS 6.3 running on virtual box. The package was installed successfully but when I open home.centos:10000 it doesn't open up. My internet is fine. I have opened ports of iptables but not working. Also tried as given on Webmin website and did iptables file entries for firewall but still not opening up via my web browser. (HowTos)

can't find a way to forward in iptables for specific mac addressview story

http://serverfault.com – I use a linux Centos 6.3 as an Internet gateway with NAT. I want to allow a specific host to have access to Internet, but not with IP address, because IP may change due to dhcp, and use a rule for a specific mac address. I used the following but it does not work iptables -t nat -A POSTROUTING -o $INTERNETDEVICE -j MASQUERADE iptables -A INPUT -i $INTERNETDEVICE -m state --state ESTABLISHED,RELA (HowTos)