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Posted to server-dev@james.apache.org by "Sergey B. (Jira)" <se...@james.apache.org> on 2020/01/06 14:43:00 UTC

[jira] [Closed] (JAMES-3017) James server exposes unsecured unmanaged TCP ports

     [ https://issues.apache.org/jira/browse/JAMES-3017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey B. closed JAMES-3017.
----------------------------
    Resolution: Invalid

> James server exposes unsecured unmanaged TCP ports
> --------------------------------------------------
>
>                 Key: JAMES-3017
>                 URL: https://issues.apache.org/jira/browse/JAMES-3017
>             Project: James Server
>          Issue Type: Bug
>            Reporter: Sergey B.
>            Priority: Minor
>
> James server listening some TCP ports, which are neither controlled nor documented.
> Below is the list of ports listening by my instance of the mail server.
> {code:java}
> root@0dad7fbbb1d7:~/james-server-app-3.3.0/bin# ss -lnt
> State       Recv-Q Send-Q                                 Local Address:Port                                                Peer Address:Port
> LISTEN      0      128                                        127.0.0.1:45530
> LISTEN      0      1                                          127.0.0.1:32000
> LISTEN      0      128                                                *:993
> LISTEN      0      50                                                 *:9999
> LISTEN      0      50                                                 *:45167
> LISTEN      0      128                                                *:465
> LISTEN      0      50                                                 *:46771
> {code}
> There is only one port that is really secured. For port to be secure it must meet following conditions.
>  # Port must be documented. Users should know what protocol and for what purposes are used.
>  # The protocol used to communicate through this port is secure.
>  # User should be able to bind it to specific network interface.
>  # User should be able to change its number.
>  # User should be able to completely disable it if it is not needed.



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