01.06.2014 Views

Netværkssikkerhed i firmanetværk - Prosa

Netværkssikkerhed i firmanetværk - Prosa

Netværkssikkerhed i firmanetværk - Prosa

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Firewalls og ICMP<br />

ipfw add allow icmp from any to any icmptypes 3,4,11,12<br />

Ovenstående er IPFW syntaks for at tillade de interessant ICMP beskeder igennem<br />

Tillad ICMP types:<br />

• 3 Destination Unreachable<br />

• 4 Source Quench Message<br />

• 11 Time Exceeded<br />

• 12 Parameter Problem Message<br />

c○ copyright 2009 Security6.net, Henrik Lund Kramshøj 232

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!