Port 996vsinet

The vsinet service is assigned to TCP and UDP port 996, but its protocol purpose is not documented.

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 994 of 999 · top 99%

Technical Details

what runs on :996

no technical write-up for :996 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 :996

risk 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 :996 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

ports registered around :996, by lookups.

portservicerisk
:981Check Point Embedded HTTPS Managementcaution
:992Telnet over TLS/SSLcaution
:989FTPS Datacaution
:990FTPS Controlcaution
:995POP3Scaution
:991Netnews Administration Systemcaution
:953DNS RNDCsafe
:1059IBM AIX NIMcaution

risk mix of the 8 listed

  • safe13%
  • caution88%

5 of 8 encrypted