tag:blogger.com,1999:blog-83625226951065665532026-07-24T14:03:20.886+08:00This site contains articles on networking, linux, and just about anything that I do.Unknownnoreply@blogger.comBlogger5125tag:blogger.com,1999:blog-8362522695106566553.post-43437730471378533182009-04-11T22:08:00.000+08:002009-04-11T22:09:47.134+08:00

Assume you have a PC with Fedora Core 4 installed, acting as a router.You have a local network and 2 ISPs.Your local networkNetwork: 192.168.1.0/24Router's IP for this network: 192.168.1.254ISP 1Network: 10.0.1.0/24Router's IP for this network: 10.0.1.1Gateway: 10.0.1.254ISP 2Network: 10.0.2.0/24Router's IP for this network: 10.0.2.1Gateway: 10.0.2.254Configuring InterfacesFirst, we configure

Unknownnoreply@blogger.com2tag:blogger.com,1999:blog-8362522695106566553.post-7078727072678248492009-03-14T10:09:00.003+08:002009-03-14T12:09:59.387+08:00

Let's continue from where we left off.So we got nth working to mark connections, good, but we're not finished with routing mark yet. We only did connection-mark, which will put subsequent packets related to the connections we have marked under the same connection-mark, but it has nothing to do with routing, for that we should add rules to set routing-mark so the connections will go out on

Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-8362522695106566553.post-71509461402510569992009-03-13T16:08:00.006+08:002009-03-14T08:01:08.017+08:00

This guide will show you how to do load balancing on Mikrotik RouterOS with policy routing method. Load balancing is also known as bandwidth aggregation with the purpose to combine several uplink connections so we can benefit from the combined bandwidths, an example of two 512kbits ADSL connections when combined together will get us 1024kbits theoritically.There are several methods to do load

Unknownnoreply@blogger.com3tag:blogger.com,1999:blog-8362522695106566553.post-44601013106023560852009-03-08T09:28:00.012+08:002009-03-13T15:42:32.862+08:00

An Easy Method to Control Bandwidth on Linux Using tc (traffic control)I'll show you how to easily manage your precious internet bandwidth in Linux. The distribution of Linux that I'm using here is Fedora Core 4, so if you happen to have any trouble with the following information and script then it just might be caused by our different system if you're using any other than Fedora Core 4.It's very

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8362522695106566553.post-40901673470650216412008-05-21T08:56:00.002+08:002008-05-21T10:02:51.926+08:00

To disable traceroute coming from Linux box (tested on Fedora Core 4):# iptables -t filter -A OUTPUT -p icmp -m icmp --icmp-type port-unreachable -j DROPAnd to disable traceroute coming from Windows box (tested on Windows XP Professional):# iptables -t filter -A OUTPUT -p icmp -m icmp --icmp-type echo-reply -j DROP

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