Re: [Proftpd-user] Be sure a user can login once at the same time
Ian via Proftp-user <[email protected]>
| Newsgroups | gmane.network.proftpd.user |
|---|---|
| Message-ID | <[email protected]> |
How do you handle the case where user logged in but got disconnect (e.g. firewall dropped connection) and attempt to reconnect. Would this mechanism be able to pick up the disconnect event and allow the user to reconnect?
On Monday, June 18, 2018, 10:48:22 AM PDT, Dieter Bloms <[email protected]> wrote:
On Mon, Jun 18, TJ Saunders wrote:
> > we have two proftpd servers behind a loadbalancer.
> > The user directories are shared on a nfs storage.
> > I want to be sure, that a user can login once at the same time, so
> > he/she can not open more than one session.
> >
> > Is it possible to configure that for two or more servers ?
>
> For this sort of use case, you would need some kind of shared storage
> (other than NFS), such as a SQL database, or Redis or Memcache, or
> something along those lines. Using mod_sql, this could be done via a
> combination of updating a user-specific column on login (via SQLLog
> PASS ...), and checking that that column is not greater than 1 on
> login (via SQLUserWhereClause). I don't think this can be done using
> Redis (yet, but it should!).
>
> Are these mechanisms (SQL, Redis, Memcache) available to you?
ok, thank you for the hint. I think I will use a mysql database.
--
Regards
Dieter
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