cannot connect to Internet(Destination Host Prohibited)

ICMP type 3, Destination unreachable message If a packet is to be forwarded to a host on a network that is directly connected to the router (i.e., the router is the last-hop router) and the router has ascertained that there is no path to the destination host then the router MUST generate a Destination Unreachable, Code 1 (Host Unreachable) ICMP message. Solved: Prohibited Unreachable ICMP Failing - Cisco Community Information and symptoms: IOS code 12.2.33SHX3 Pings intermittently failing No ACLs anywhere in the path. Errors from debugs: Feb 1 23:34:02.562 cst: ICMP: dst ( prohibited unreachable rcv from Feb 2 12:16:30.371 cst: FIBipv4-packet-proc: route packet from (local) src 16 7 Linux Route Command Examples (How to Add Route in Linux) The destination address ( ) is not within the network range. So, in Layer-3 (IP header) the DESTINATION IP will be set as “”. In Layer-2, the DESTINATION MAC address will be the filled in as the MAC address of the default gateway (’s MAC ). The MAC will be found by using ARP as described earlier. ICMP - Destination Unreachable Message Analysis


host-prohibited, host-pro, !host. Code 10. Communication with destination host is administratively prohibited. (The source device is allowed to send packets to the destination network but not to the destination device.) network-tos, unreachable-network-tos, netw-tos, tosnet. Code 11. Re: [Openvpn-users] Destination unreachable (Host

The TCP/IP Guide - ICMPv6 Destination Unreachable Messages

Re: [Openvpn-users] Destination unreachable (Host Bottom posted, see below. ----- Original Message ----- From: "Jeff Boyce" To: Sent: Monday, March 12, 2007 12:46 PM Subject: Destination unreachable (Host administratively prohibited) > Greetings - > > I am trying to setup my first installation of openvpn, but have not been > successful yet and am struggling to figure out what is going on. networking - Host unreachable and I do not get why - Unix