The Dude network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment. It will automatically scan all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems.
Creating iptables Rulesets It's a great starting-point for ruleset development to see what ports are currently in-use, and consider that these may need to be opened through our firewall. To see what ports are in-use, and by what programs/services: hostname ~ # netstat -alnp Annotated link http://www.diigo.com/bookmark/http%3A%2F%2Fjviz.research.iat.sfu.ca%2Fwiki%2Findex.php%3Ftitle%3DHOWTO_Setup_iptables
Dear Frank, You can clear that particular connection by the following ways.First we have to convert that particular connection into hexa, for that take the netstat o/p using (to take the connection addr. in terms of ip address), #netstat -na |grep -i established Note down the Local
Edit the following file to fix this problem Add or modify text as follows: # vi /etc/sysctl.conf net.ipv4.tcp_tw_reuse = 0 net.ipv4.tcp_tw_recycle = 0 # sysctl -p The above command will help the new settings to take effect.