Diffstat (limited to 'iptables.8')
1 files changed, 3 insertions, 9 deletions
@@ -533,16 +533,10 @@ The type given can be
.BR icmp-port-unreachable or
which return the appropriate ICMP error message (net-unreachable is
-the default). The following special types are also allowed:
-is only valid if the rule also specifies
-.BR "-p tcp" ,
-and generates a TCP reset packet in response. This is generally not a
-good idea (modern stacks should deal with ICMPs on TCP connection
+the default). The option
-can only be used for rules which specify an ICMP ping packet, and
-generates a ping reply.
+is also allowed; it can only be used for rules which specify an ICMP
+ping packet, and generates a ping reply.
This is used to set the 8-bit Type of Service field in the IP header.
It is only valid in the