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Port 2601 (discp-client)

IANA assigns port 2601 to discp-client: discp client.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
discp-client TCP discp client - -
discp-client UDP discp client - -

Check what is listening on port 2601

Linux: is anything listening on TCP 2601?
sudo ss -tlnp 'sport = :2601'
Linux: UDP 2601
sudo ss -ulnp 'sport = :2601'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2601
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2601 '
Windows (Command Prompt)
netstat -ano | findstr :2601
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2601 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2601
From Windows
Test-NetConnection HOST -Port 2601
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2601

Block port 2601 in the firewall

ufw
sudo ufw deny 2601/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2601 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2601 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2601' -Direction Inbound -Protocol TCP -LocalPort 2601 -Action Block
ufw
sudo ufw deny 2601/udp
iptables
sudo iptables -A INPUT -p udp --dport 2601 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2601 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2601' -Direction Inbound -Protocol UDP -LocalPort 2601 -Action Block

Related ports

2599snapd2600hpstgmgr2602discp-server2603servicemeter

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