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Port 6088 (doglms, doglms-notify)

IANA assigns port 6088 to doglms, doglms-notify: SuperDog License Manager.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
doglms TCP SuperDog License Manager SafeNet -
doglms-notify UDP SuperDog License Manager Notifier SafeNet -

Registry dates for this port: registered 2012-07-26.

Check what is listening on port 6088

Linux: is anything listening on TCP 6088?
sudo ss -tlnp 'sport = :6088'
Linux: UDP 6088
sudo ss -ulnp 'sport = :6088'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6088
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6088 '
Windows (Command Prompt)
netstat -ano | findstr :6088
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6088 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6088
From Windows
Test-NetConnection HOST -Port 6088
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6088

Block port 6088 in the firewall

ufw
sudo ufw deny 6088/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6088 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6088 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6088' -Direction Inbound -Protocol TCP -LocalPort 6088 -Action Block
ufw
sudo ufw deny 6088/udp
iptables
sudo iptables -A INPUT -p udp --dport 6088 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6088 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6088' -Direction Inbound -Protocol UDP -LocalPort 6088 -Action Block

Related ports

6086pdtp6087ldss6099raxa-mgmt6100synchronet-db

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