tag:blogger.com,1999:blog-6006114617625504970.post8226432841191997192..comments2024-02-07T23:38:24.874-05:00Comments on Linux Blog: How to Disable ICMP Redirects in LinuxDevOpshttp://www.blogger.com/profile/02331067901785181627noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6006114617625504970.post-11811847495479199902012-10-14T16:52:48.727-04:002012-10-14T16:52:48.727-04:00I realise I'm two years too late on this, but ...I realise I'm two years too late on this, but this will do the complete opposite of what you say it will.<br /><br />You want:<br /><br />net.ipv4.conf.all.accept_redirects = 0<br />net.ipv4.conf.all.send_redirects = 0<br /><br />As in, "don't accept/send redirects".Owennoreply@blogger.comtag:blogger.com,1999:blog-6006114617625504970.post-86482125841237297702010-03-17T00:04:28.355-04:002010-03-17T00:04:28.355-04:00Holding a special place, some say, within the IP l...Holding a special place, some say, within the IP layer is ICMP. You're probably familiar with ICMP when you use the ping command because ping uses ICMP. ICMP, or Internet Control Message Protocol, has several uses, including being the underlying protocol for the ping command. There are 15 functions within ICMP each denoted by a type code. For instance, the type for an ICMP Echo Request (think: ping) is 8; the reply to that request, aptly titled an Echo Reply, is type 0. Within the different types there can also exist codes to specify the condition for the given type. The types and codes for ICMP messages are shown.<br /><br />Recently I just came across a good article on "IPV6 - The “ ICMP Overview"<br /><a href="http://www.adminkernel.com/networking-concepts/icmp-overview" rel="nofollow">Here is its link.</a>Sumanthttps://www.blogger.com/profile/11824801392530480579noreply@blogger.com