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V2ray create tons of UDP port and does not close after use #3664

@ghost

Description

What version of V2Ray are you using?

5.47.0

What's your scenario of using V2Ray?

generic use, like for XMPP client

What problems have you encountered?

When the user A and user B, both use V2ray, connect to any XMPP server and start voice|video call, V2Ray opens tons of (10-100) random UDP ports on the server and does not clear them after use.

Is this normal??

What's your expectation?

  • Don't open any(or excessive) UDP ports
  • Close the opened UDP port after use

Please attach your configuration here

Server configuration:

Generic Shadowsocks Server config (v4)

Client configuration:

Generic Shadowsocks Client config (v4)

Please attach error logs here

Server error log:

No error log observed.

Client error log:

N/A

Please attach access log here

// Please attach your server access log here.

Other configurations (such as Nginx) and logs here


  1. Install ejabberd on the server
  2. Have A and B connect to 1's v2ray server
  3. Start UDP call

If V2Ray service is abnormal, please attach journal log here

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