Port 6253CRIP
TCP/UDP port 6253 is assigned to CRIP, a little-documented service with no established common deployment.
- 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 993 of 5,656 · top 18%
Technical Details
what runs on :6253CRIP is registered on port :6253 over tcp and udp to Mike Rodbell. We don't have a technical write-up for it beyond the IANA registry entry.
In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.
find what's listening on :6253
# linux
sudo ss -tulpn 'sport = :6253'
# macos / bsd
sudo lsof -nP -i :6253
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :6253nmap -sV -p T:6253 <host>
sudo nmap -sU -sV -p U:6253 <host>run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.
add technical detailsSecurity Information
exposure of :6253risk 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 :6253 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :6253, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :6262 | Advantage Database Server | TCP | Databases | caution | 10.5k |
| :6260 | Planet M.U.L.E. | TCPUDP | Gaming | caution | 4.8k |
| :6257 | WinMX P2P Chat | UDP | File Transfer | caution | 4.3k |
| :6244 | JEOL Network Services Dynamic Discovery Protocol 4 | UDP | Network Services | safe | 0 |
| :6222 | radmind | TCPUDP | System | risk | 0 |
| :6251 | TL1 Raw over SSL/TLS | TCPUDPtls | Network Services | safe | 0 |
| :6243 | JEOL Network Services Dynamic Discovery Protocol 3 | UDP | Network Services | safe | 0 |
| :6306 | Unified Fabric Management Protocol | TCPUDP | Network Services | safe | 0 |
risk mix of the 8 listed
- safe50%
- caution38%
- risk13%
1 of 8 encrypted