> > Feb 7 10:47:17 mail kernel: Packet log: input REJECT ppp0 PROTO=1
> ^^^^^^^
>> > 194.125.1.213:3 <my_ext_ip>:1 L=56 S=0x00 I=15881 F=0x0000
> T=253 (#16)
> >
> > Feb 7 10:47:25 mail kernel: Packet log: output REJECT ppp0 PROTO=1
> > <my_ext_ip>:3 194.125.2.240:3 L=136 S=0xC0 I=16901 F=0x0000
> T=255 (#9)
>> those are not port numbers, because it isnt UDP/TCP.
>> it's protocol 1 -> ICMP.
>
You would imagine that the number refers to type of ICMP message, but theres
no message type 1. Message type 3 is destination unreachable. See end of
RFC 792 for a list of message types.
jr
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