Solved

Disabling ICMP timestamp responses

Posted on 2009-05-04
1
3,150 Views
Last Modified: 2013-11-29
Hey all

Hope this will be quick one.

Does anyone know how to disable ICMP timestamp replies on a Cisco 3750?

Thats it.

Thanks
0
Comment
Question by:atlas_shuddered
1 Comment
 
LVL 68

Accepted Solution

by:
woolmilkporc earned 500 total points
ID: 24302771
Hi,

Use ACLs to block ICMP types 13 (TIMESTAMP) and 14 (TIMESTAMP REPLY).
For example:

access-list [nnn] deny icmp any any 13
access-list [nnn] deny icmp any any 14  
HTH
wmp
 
0

Featured Post

Threat Intelligence Starter Resources

Integrating threat intelligence can be challenging, and not all companies are ready. These resources can help you build awareness and prepare for defense.

Join & Write a Comment

Please see preceding article here: http://www.experts-exchange.com/Networking/Operating_Systems/A_11209-Root-Bridge-Election.html Figure 1 After Root Bridge has been elected, then what?..... Let's start by defining a Root Port in la…
In the world of WAN, QoS is a pretty important topic for most, if not all, networks. Some WAN technologies have QoS mechanisms built in, but others, such as some L2 WAN's, don't have QoS control in the provider cloud.
Viewers will learn how to properly install and use Secure Shell (SSH) to work on projects or homework remotely. Download Secure Shell: Follow basic installation instructions: Open Secure Shell and use "Quick Connect" to enter credentials includi…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

747 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

11 Experts available now in Live!

Get 1:1 Help Now