Date: Sun, 26 May 2002 13:52:46 +0200 From: "Retal" <lirandb@netvision.net.il> To: <freebsd-ipfw@freebsd.org> Subject: Unreach flag Message-ID: <004701c204ab$db0e2050$668ce650@main1>
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[-- Attachment #1 --] Hi.. There's sometimes i just can't figure out: When im adding those rules to my IPFW: 00001 7 392 allow icmp from 80.230.140.105 to any 00002 10 576 unreach host icmp from any to any and after it i ping my fbsd box from another IP i get this: Reply from 80.230.140.105: Destination host unreachable. Reply from 80.230.140.105: Destination host unreachable. Reply from 80.230.140.105: Destination host unreachable. Reply from 80.230.140.105: Destination host unreachable. whats this unreach option used for/useful for .. and is it matter if i use host, filter-prohib or any other flags.. ? Thanks.. Retal (retaly@inter.net.il) [-- Attachment #2 --] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=windows-1255"> <META content="MSHTML 6.00.2600.0" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hi.. </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>There's sometimes i just can't figure out:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2> When im adding those rules to my IPFW:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>00001 7 392 allow icmp from 80.230.140.105 to any<BR>00002 10 576 unreach host icmp from any to any</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>and after it i ping my fbsd box from another IP i get this:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Reply from 80.230.140.105: Destination host unreachable.<BR>Reply from 80.230.140.105: Destination host unreachable.<BR>Reply from 80.230.140.105: Destination host unreachable.<BR>Reply from 80.230.140.105: Destination host unreachable.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>whats this unreach option used for/useful for .. and is it matter if i use host, filter-prohib or any other flags.. ?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thanks.. Retal (<A href="mailto:retaly@inter.net.il">retaly@inter.net.il</A>)</FONT></DIV></BODY></HTML>
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