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Port 3085 (pcihreq)

IANA assigns port 3085 to pcihreq: PCIHReq.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
pcihreq TCP PCIHReq Paul Sanders -
pcihreq UDP PCIHReq Paul Sanders -

Check what is listening on port 3085

Linux: is anything listening on TCP 3085?
sudo ss -tlnp 'sport = :3085'
Linux: UDP 3085
sudo ss -ulnp 'sport = :3085'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3085
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3085 '
Windows (Command Prompt)
netstat -ano | findstr :3085
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3085 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3085
From Windows
Test-NetConnection HOST -Port 3085
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3085

Block port 3085 in the firewall

ufw
sudo ufw deny 3085/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3085 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3085 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3085' -Direction Inbound -Protocol TCP -LocalPort 3085 -Action Block
ufw
sudo ufw deny 3085/udp
iptables
sudo iptables -A INPUT -p udp --dport 3085 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3085 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3085' -Direction Inbound -Protocol UDP -LocalPort 3085 -Action Block

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3083tl1-telnet3084itm-mccs3086jdl-dbkitchen3087asoki-sma

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