User's Manual
A-4
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-11350-01
Appendix A Protocol Filters
Table 0-3 IP Port Protocols
Protocol Additional Identifier ISO Designator
TCP port service multiplexer  tcpmux  1
echo — 7
discard (9) — 9
systat (11) — 11
daytime (13) — 13
netstat (15) — 15
Quote of the Day  qotd
quote 
17
Message Send Protocol  msp  18
ttytst source  chargen 19
FTP Data  ftp-data  20
FTP Control (21) ftp 21
Secure Shell (22) ssh 22
Telnet — 23
Simple Mail Transport Protocol  SMTP
mail
25
time timserver 37
Resource Location Protocol  RLP  39
IEN 116 Name Server  name  42
whois nicname 
43
43
Domain Name Server  DNS 
domain
53
MTP — 57
BOOTP Server — 67
BOOTP Client — 68
TFTP — 69
gopher — 70
rje netrjs 77
finger — 79
Hypertext Transport Protocol HTTP
www
80
ttylink link 87
Kerberos v5 Kerberos
krb5
88
supdup — 95
hostname hostnames 101










