IP SLAs Configuration Guide, Cisco IOS Release 15M&T
ICMP has no ports and is neither TCP nor UDP. ICMP is IP protocol 1 (see RFC792), TCP is IP protocol 6 (described in RFC793) and UDP is IP protocol 17 (see RFC768). UDP and TCP have ports, ICMP has no ports, but types and codes. I would say: don't filter ICMP until you know exactly what you are doing. Tcpdump Examples - 22 Tactical Commands | HackerTarget.com Extract HTTP User Agents. Extract HTTP User Agent from HTTP request header. :~$ sudo tcpdump … networking - Why traceroute sends UDP packets and not ICMP
UDP ICMP TCP. TCP. What command can be used on a Cisco router to view the routing table? route print netstat -r route show ip route. show ip route. What parameter can be combined with the traceroute command to instruct it to use ICMP echo requests instead of UDP datagrams?-I-d-p-n-I.
149 rows What is an ICMP Flood Attack? | NETSCOUT
So that would be an example of UDP. The last one is the strangest one, it's called ICMP. ICMP is a single packet. It's never more than one packet. TCP can be thousands of packets. UDP can be thousands of packets. But ICMP is always a single packet. It's kind of like the working-class schlub of the internet.
what is the port numbers for ICMP,TCP,UDP - Cisco Community what is the port numbers for ICMP,TCP,UDP hi. Labels: Other Networking; 3 people had this problem. I have this problem too. 0 Helpful Reply. 2 REPLIES 2. Highlighted. Rolf Fischer. Engager As for TCP and UDP por numbers, they range from 0 to 65535. You can't use port zero though. It's reserved. 0 Helpful Firewall rules for ICMP (TCP/UDP port 7) - Cisco ICMP has no ports and is neither TCP nor UDP. ICMP is IP protocol 1 (see RFC792), TCP is IP protocol 6 (described in RFC793) and UDP is IP protocol 17 (see RFC768). UDP and TCP have ports, ICMP has no ports, but types and codes. I would say: don't filter ICMP until you know exactly what you are doing.