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Topic: Firewall Block Log (Read 1881 times)
peterwkc
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Posts: 112
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Firewall Block Log
«
on:
September 01, 2022, 10:25:21 am »
Dear all, I have block log like something below
rule 0.0.0.0:68 255.255.255.255:67 udp Block bogon IPv4 networks from Intel_Igb1_LAN
Should i need to worry? What does this rule doing?
«
Last Edit: September 01, 2022, 10:45:31 am by peterwkc
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peterwkc
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Posts: 112
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Re: Firewall Block Log
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Reply #1 on:
September 14, 2022, 04:56:10 am »
Anyone here willing to help?
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Fright
Hero Member
Posts: 1777
Karma: 164
Re: Firewall Block Log
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Reply #2 on:
September 14, 2022, 12:48:59 pm »
its DHCP client DHCPDISCOVER request
Quote
What does this rule doing?
as a " Block bogon networks" option help message says
When set, this option blocks traffic from IP addresses that are reserved (but not RFC 1918) or not yet assigned by IANA. Bogons are prefixes that should never appear in the Internet routing table, and obviously should not appear as the source address in any packets you receive.
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peterwkc
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Re: Firewall Block Log
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Reply #3 on:
March 11, 2023, 02:57:03 am »
Why it will trigger this kind of packet into my firewall? What circumstances trigger it?
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