Archive for the tag 'firewall'

 

 

Nov 30 2012

IPTables Traffic Redirection on Linux

Published by under Linux

Whether you need to redirect telnet or ssh connections through a server because you don’t have direct access to your final destination or you’re planning a web server migration, traffic forwarding comes in handy in many situations.This is easily achieved on Linux distributions that come with IPtables. Yes, iptables isn’t just for ACL rules, but […]

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Aug 16 2010

Fortigate Dialup VPN Client Do Not Get DHCP Lease

Published by under Fortinet

We use Fortinet VPN client Forticlient to connect to our Fortigate firewall with IPSEC encryption. We’d like to give clients a DHCP address so we do not have anything to manage other than user authentication. Dialup VPN client do not seem to get an IP address although a DHCP pool is created and “DHCP-IPsec” is […]

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Feb 09 2010

Display Network Stats on Linux with Iptables

Published by under Linux

As for any firewall, iptables is able to do network statistics reporting. the -v (–verbose) option along with the list switch (-L) show packets and bytes counters.Network stats are available on a per rule basis. Here is an example on the INPUT chain:   In this example, you could split the RELATED and ESTABLISHED state rule […]

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