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Port 1197 (carrius-rshell)

IANA assigns port 1197 to carrius-rshell: Carrius Remote Access.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
carrius-rshell TCP Carrius Remote Access Gerry Dubois -
carrius-rshell UDP Carrius Remote Access Gerry Dubois -

Registry dates for this port: registered 2005-08.

Check what is listening on port 1197

Linux: is anything listening on TCP 1197?
sudo ss -tlnp 'sport = :1197'
Linux: UDP 1197
sudo ss -ulnp 'sport = :1197'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1197
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1197 '
Windows (Command Prompt)
netstat -ano | findstr :1197
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1197 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1197
From Windows
Test-NetConnection HOST -Port 1197
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1197

Block port 1197 in the firewall

ufw
sudo ufw deny 1197/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1197 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1197 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1197' -Direction Inbound -Protocol TCP -LocalPort 1197 -Action Block
ufw
sudo ufw deny 1197/udp
iptables
sudo iptables -A INPUT -p udp --dport 1197 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1197 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1197' -Direction Inbound -Protocol UDP -LocalPort 1197 -Action Block

Related ports

1195rsf-11196netmagic1198cajo-discovery1199dmidi

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.