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Port 7017 (grasp)

IANA assigns port 7017 to grasp: GeneRic Autonomic Signaling Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
grasp TCP GeneRic Autonomic Signaling Protocol IESG RFC 8990
grasp UDP GeneRic Autonomic Signaling Protocol IESG RFC 8990

Registry dates for this port: registered 2017-04-28, last modified 2017-07-20.

Check what is listening on port 7017

Linux: is anything listening on TCP 7017?
sudo ss -tlnp 'sport = :7017'
Linux: UDP 7017
sudo ss -ulnp 'sport = :7017'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7017
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7017 '
Windows (Command Prompt)
netstat -ano | findstr :7017
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7017 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7017
From Windows
Test-NetConnection HOST -Port 7017
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7017

Block port 7017 in the firewall

ufw
sudo ufw deny 7017/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7017 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7017 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7017' -Direction Inbound -Protocol TCP -LocalPort 7017 -Action Block
ufw
sudo ufw deny 7017/udp
iptables
sudo iptables -A INPUT -p udp --dport 7017 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7017 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7017' -Direction Inbound -Protocol UDP -LocalPort 7017 -Action Block

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7015talon-webserver7016spg7018fisa-svc7019doceri-ctl, doceri-view

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.