01.06.2014 Views

Netværkssikkerhed i firmanetværk - Prosa

Netværkssikkerhed i firmanetværk - Prosa

Netværkssikkerhed i firmanetværk - Prosa

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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!