eMule Low ID: connection checklist
Blank template | Documentation review: 2026-09-10 | natchecker.com/blog/emule-low-id

Client name and version:
Operating system / container network:
Date and time:
Route carrying the client: ISP / VPN
LAN IP / DHCP reservation:
Router WAN IPv4 (ISP path only):
Public IPv4 of the same route:
CGNAT / double NAT evidence:
VPN provider, protocol, location, forwarding feature:

PORT INVENTORY (copy actual client values; defaults are not requirements)
Function          Protocol    Client port    Public port    Mapping target
ED2K peer         TCP         ___________    ___________    ______________
Client / Kad      UDP         ___________    ___________    ______________
aMule server UDP, if used      ___________    ___________    ______________
Other documented listener     ___________    ___________    ______________

Firewall app path and active profile:
Rule / policy source (router / VPN):

BEFORE AND AFTER (change one thing at a time)
Change made:
Client running during test: yes / no
Tested public IP and ports:
TCP test: pass / fail / not tested
UDP test: pass / fail / not tested (a TCP-only test is not a UDP result)
ED2K server and ID status: High ID / Low ID / disconnected
Kad status: Open / Firewalled / disconnected / not used
Result after client restart:
Result after VPN reconnect; new assigned port if any:
Next check:

OUTCOME
Resolved: ED2K High ID and Kad Open (if Kad is used)
Still blocked: ISP access / VPN mapping / client status mismatch
Support contact and evidence to provide:
Server log, if a passing TCP test disagrees with ED2K status:
If inbound access is unavailable: Low ID may remain; downloads can still work.

BEFORE BUYING A VPN
Ask support: Does this exact plan/add-on, OS, VPN protocol and location
provide every port/protocol pair listed above? Does the assignment change?
Full subscription + add-on cost and current cancellation/refund conditions:

No test results are prefilled. Store this sheet privately; redact IPs and
account details before sharing. An open port does not guarantee speed.