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Re: [RHL] Re: What is protocol 50 ?



A little FYI, I did some looking around and protocol 50 is IPsec. Believe
it or not I found this at Micro$oft.
http://www.microsoft.com/technet/network/intern.asp
In my iptables logs I see things like PROTO=TCP so its definately not a
port, so it wont be in /etc/services.

                          Value
                                             Protocol
                            0
                                             Reserved
                            1
                                             Internet Control Message
Protocol (ICMP)
                            2
                                             Internet Group Management
Protocol (IGMP)
                            4
                                             IP in IP encapsulation
                            6
                                             Transmission Control Protocol
(TCP)
                            8
                                             Exterior Gateway Protocol
(EGP)
                            17
                                             User Datagram Protocol (UDP)
                            46
                                             Resource Reservation Protocol
(RSVP)
                            47
                                             Generic Routing Protocol (GRE)
                            50
                                             IP Security Encapsulating
Security Payload (ESP)
                            51
                                             IP Security Authentication
Header (AH)
                            89
                                             Open Shortest Path First
(OSPF)

Kirk



>On 2001.05.08 05:07:55 -0700 Dave Ihnat wrote:
> On Tue, May 08, 2001 at 11:18:53AM -0000, Peter Kiem wrote:
> > In my firewall logs today I noticed the following incoming packets
> being
> > denied from my ADSL connection:
> > 
> > May  8 20:22:59 firewall kernel: Packet Log: input DENY ppp1 PROTO=50
> > a.a.a.a:65535 b.b.b.b:65535 L=280 S=0x00 I=30566 F=0x0000 T=245 (#131)
> 
> Per /etc/protocols,
> 
>     ipv6-crypt	50	IPv6-Crypt	# Encryption Header for
> IPv6
> 
> Now, that doesn't explain WHY, just WHAT.
> 
> Cheers,
> -- 
> 	Dave Ihnat
> 	ignatz dminet com
> 
> 
> 
> _______________________________________________
> Redhat-list mailing list
> Redhat-list redhat com
> https://listman.redhat.com/mailman/listinfo/redhat-list
> 





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