Port 6699Babel Routing Protocol over DTLS
UDP port 6699 carries Babel routing messages protected by DTLS between participating routers.
- transport
- udp
- in transit
- encrypted
- assignment
- official
- risk
- 3/10
- lookups
- 0
single transport
payload protected on the wire
registered with iana
caution
rank 993 of 5,766 · top 17%
also known as babel-dtls, Babel over DTLS
1 other service is registered on port 6699. compare all 2 →
Technical Details
what runs on :6699Babel over DTLS carries Babel routing protocol messages as application data in DTLS datagrams over UDP, normally on port 6699. Routers establish a DTLS association before exchanging protected Babel messages; the DTLS configuration supplies the applicable encryption and peer-authentication properties. This is distinct from ordinary Babel, which commonly uses UDP 6696 without DTLS. There is no TCP transport or separate application framing outside DTLS.
Security Information
exposure of :6699risk score
3/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
security averages 3.0 across 410 ports — this one sits level with it.
in transit
encrypted
payloads are protected on the wire
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
DTLS protects routing messages in transit, but this is still a control-plane service: an accepted neighbor can influence route information. Restrict access to intended router peers and configure appropriate DTLS credentials; do not expose the listener broadly to the public internet. The port is uncommon in internet-wide scan data.
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risk mix of the 8 listed
- caution100%
2 of 8 encrypted