Cisco ASA 5505 Configuration Manual page 1731

Appendix A Addresses, Protocols, and Ports
Table A-8
Feature or Service
IPSec over TCP
(CTCP)
NTP
OSPF
PIM
RIP
RIPv2
SNMP
SSH
Stateful Update
Telnet
VPN Load Balancing
VPN Individual User
Authentication Proxy
ICMP Types
Table A-9
commands.
Table A-9
ICMP Number
0
3
4
5
6
8
9
10
11
12
13
14
OL-20339-01
Protocols and Ports Opened by Features and Services (continued)
Protocol
TCP
UDP
89
103
UDP
UDP
UDP
TCP
105
TCP
UDP
UDP
lists the ICMP type numbers and names that you can enter in adaptive security appliance
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
Port Number Comments
— No default port is used. You must specify
the port number when configuring IPSec
over TCP.
123 —
N/A Protocol only open on destination IP
address 224.0.0.5 and 224.0.0.6
N/A Protocol only open on destination IP
address 224.0.0.13
520 —
520 Port only open on destination IP address
224.0.0.9
161 Configurable.
22 —
N/A —
23 —
9023 Configurable.
1645, 1646 Port accessible only over VPN tunnel.
Cisco ASA 5500 Series Configuration Guide using ASDM
ICMP Types
A-15