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Port 2788 (fryeserv)

IANA assigns port 2788 to fryeserv: NetWare Loadable Module - Seagate Software.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
fryeserv TCP NetWare Loadable Module - Seagate Software Joseph LoPilato -
fryeserv UDP NetWare Loadable Module - Seagate Software Joseph LoPilato -

Check what is listening on port 2788

Linux: is anything listening on TCP 2788?
sudo ss -tlnp 'sport = :2788'
Linux: UDP 2788
sudo ss -ulnp 'sport = :2788'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2788
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2788 '
Windows (Command Prompt)
netstat -ano | findstr :2788
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2788 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2788
From Windows
Test-NetConnection HOST -Port 2788
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2788

Block port 2788 in the firewall

ufw
sudo ufw deny 2788/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2788 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2788 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2788' -Direction Inbound -Protocol TCP -LocalPort 2788 -Action Block
ufw
sudo ufw deny 2788/udp
iptables
sudo iptables -A INPUT -p udp --dport 2788 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2788 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2788' -Direction Inbound -Protocol UDP -LocalPort 2788 -Action Block

Related ports

2786aic-oncrpc2787piccolo2789media-agent2790plgproxy

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