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Port 2707 (emcsymapiport)

IANA assigns port 2707 to emcsymapiport: EMCSYMAPIPORT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
emcsymapiport TCP EMCSYMAPIPORT Bruce Ferjulian -
emcsymapiport UDP EMCSYMAPIPORT Bruce Ferjulian -

Check what is listening on port 2707

Linux: is anything listening on TCP 2707?
sudo ss -tlnp 'sport = :2707'
Linux: UDP 2707
sudo ss -ulnp 'sport = :2707'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2707
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2707 '
Windows (Command Prompt)
netstat -ano | findstr :2707
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2707 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2707
From Windows
Test-NetConnection HOST -Port 2707
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2707

Block port 2707 in the firewall

ufw
sudo ufw deny 2707/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2707 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2707 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2707' -Direction Inbound -Protocol TCP -LocalPort 2707 -Action Block
ufw
sudo ufw deny 2707/udp
iptables
sudo iptables -A INPUT -p udp --dport 2707 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2707 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2707' -Direction Inbound -Protocol UDP -LocalPort 2707 -Action Block

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