Regarding reverse telnet, when is this helpful? I mean why would you need to reverse telnet. Sorry this is the first time i heard about reverse telnet. I would appreciate it if you could expound on the matter.
Hi Jon. Thanks for replying. I just have a quick query regarding what you said about directed broadcasts. Is it advisable to disable ip directed broadcasts? Could you tell me the pros and cons of this particular function? Thanks.
Routers by default will not forward broadcasts but if you allow directed broadcasts then you could initiate a denial of service against a subnet by sending packets to the directed broadcast address and the router will forward the packets onto the subnet.
If you don't need them then disable them. if you do then don't worry too much as there are a lot of other things to worry about security wise :-)
An ICMP log? Do you have perhaps in mind syslog? If so, "show log" will note the current logging configuration. If a local logging buffer is defined, it will also show recent syslog messages (oldest will be lost from the logging buffer if the buffer overflows).
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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