Port 263HDAP
HDAP traffic uses TCP or UDP port 263; public protocol details and common deployments are not established.
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
2 transports registered
payload readable on path
registered with iana
safe
rank 994 of 1,633 · top 61%
Technical Details
what runs on :263no technical write-up for :263 yet
the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.
Security Information
exposure of :263risk score
1/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :263 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :263, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :311 | Mac OS X Server Admin | TCP | Web Services | caution | 23.7k |
| :201 | AppleTalk Routing | TCPUDP | Network Services | caution | 19.7k |
| :213 | IPX | TCPUDP | Network Services | caution | 13.9k |
| :264 | Border Gateway Multicast Protocol | TCPUDP | Network Services | caution | 12.2k |
| :323 | Internet Message Mapping Protocol (IMMP) | TCPUDP | caution | 9.0k | |
| :210 | ANSI Z39.50 | TCPUDP | Databases | caution | 9.0k |
| :199 | SMUX (SNMP Multiplexer) | TCPUDP | Network Services | caution | 9.0k |
| :220 | IMAP v3 | TCPUDP | caution | 8.6k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted