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Port 67 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
67 udp bootp server Bootstrap protocol server. Used by DHCP servers to communicate addressing information to remote DHCP clients [RFC 951]

NCP Secure Enterprise Client (aka VPN/PKI client) 8.30 Build 59, and possibly earlier versions, when the Link Firewall and Personal Firewall are both configured to block all inbound and outbound network traffic, allows context-dependent attackers to send inbound UDP traffic with source port 67 and destination port 68, and outbound UDP traffic with source port 68 and destination port 67.
References: [CVE-2006-3551]

ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
References: [CVE-2000-0339] [BID-1137] [OSVDB-1294]

Apple NetBoot also uses this port.
SG
67 tcp applications Falco LX-4PRO SG
67 udp Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) (official) Wikipedia
67 tcp,udp dhcps DHCP/Bootstrap Protocol Server Nmap
67 tcp bootps Bootstrap Protocol Server [RFC951] IANA
67 udp bootps Bootstrap Protocol Server IANA
6 records found

Related ports: 68  

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