Appendix E
Addresses, Protocols, and Ports
Table E-6
Feature or Service
Stateful Update
Telnet
ICMP Types
Table E-7
Table E-7
ICMP Number
0
3
4
5
6
8
9
10
11
12
13
14
15
16
17
18
31
32
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
OL-20748-01
Protocols and Ports Opened by Features and Services (continued)
Protocol
105
TCP
lists the ICMP type numbers and names that you can enter in FWSM commands:
ICMP Types
ICMP Name
echo-reply
unreachable
source-quench
redirect
alternate-address
echo
router-advertisement
router-solicitation
time-exceeded
parameter-problem
timestamp-request
timestamp-reply
information-request
information-reply
mask-request
mask-reply
conversion-error
mobile-redirect
Port Number
Comments
N/A
—
23
—
ICMP Types
E-15