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Port 2275 (ibridge-data)

IANA assigns port 2275 to ibridge-data: iBridge Conferencing.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ibridge-data TCP iBridge Conferencing - -
ibridge-data UDP iBridge Conferencing - -

Check what is listening on port 2275

Linux: is anything listening on TCP 2275?
sudo ss -tlnp 'sport = :2275'
Linux: UDP 2275
sudo ss -ulnp 'sport = :2275'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2275
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2275 '
Windows (Command Prompt)
netstat -ano | findstr :2275
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2275 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2275
From Windows
Test-NetConnection HOST -Port 2275
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2275

Block port 2275 in the firewall

ufw
sudo ufw deny 2275/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2275 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2275 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2275' -Direction Inbound -Protocol TCP -LocalPort 2275 -Action Block
ufw
sudo ufw deny 2275/udp
iptables
sudo iptables -A INPUT -p udp --dport 2275 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2275 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2275' -Direction Inbound -Protocol UDP -LocalPort 2275 -Action Block

Related ports

2273mysql-im2274pcttunnell2276ibridge-mgmt2277bluectrlproxy

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