RE: Port 67

From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Mon May 30 2005 - 17:17:24 GMT-3

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Rack1R1(config)#do show ip socket
Proto Remote Port Local Port In Out Stat TTY
OutputIF
17 0.0.0.0 0 150.1.1.1 67 0 0 2211 0
Rack1R1(config)#no service dhcp
Rack1R1(config)#do show ip socket
Proto Remote Port Local Port In Out Stat TTY
OutputIF
Rack1R1(config)#
Rack1R1(config)#service dhcp
Rack1R1(config)#do show ip socket
Proto Remote Port Local Port In Out Stat TTY
OutputIF
17 0.0.0.0 0 150.1.1.1 67 0 0 2211 0

Rack1R1(config)#no ip bootp server
Rack1R1(config)#do show ip socket
Proto Remote Port Local Port In Out Stat TTY
OutputIF
17 0.0.0.0 0 150.1.1.1 67 0 0 2211 0
Rack1R1(config)#

Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)

bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
gladston@br.ibm.com
Sent: Monday, May 30, 2005 12:31 PM
To: ccielab@groupstudy.com
Subject: Port 67

How can I disable port 67?

swr2#sh ip sockets
Proto Remote Port Local Port In Out Stat TTY
OutputIF
17 0.0.0.0 0 224.0.1.40 496 0 0 1 0
103 0.0.0.0 0 172.16.9.9 52804 0 0 0 0
17 --listen-- 172.16.9.9 67 0 0 489 0

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