[stunnel-users] stunnel client connecting to host with dynamic
Adamson H
adamson at polycastle.3322.org
Tue Feb 10 16:08:36 CET 2009
Hi, I have named local resolver enabled on the stunnel client (FreeBSD
7.0). I did a test on the client and found there was no problem with the
local resolver.
1. on the stunnel client: dig hostname.dynaip.org --> points to the
correct IP of the stunnel host
2. restart ppp on stunnel host to get a new IP
3. on the stunnel client: dig hostname.dynaip.org --> points to the
updated IP of the stunnel host
I tested ftp service on the stunnel host without going through stunnel,
and it worked before and after the IP change.
Regards,
Adamson H
-------- Original Message --------
Subject: Re: [stunnel-users] stunnel client connecting to host with dynamic
From: Michal Trojnara <Michal.Trojnara at mobi-com.net>
To: stunnel-users at mirt.net
Date: 02/10/2009 10:32 PM
> Adamson H wrote:
>
>> I added delay = yes to my stunnel client conf file and removed the cron
>> script. The rsync job (873) failed after the IP of the stunnel host had
>> changed. I had to manually restart stunnel to get the job done and put
>> the cron script back again.
>>
>> delay = yes does not with work with ddns.
>>
>
> That's really strange. The relevant client.c code is:
>
> /* setup address_list */
> if(c->opt->option.delayed_lookup) {
> resolved_list.num=0;
> if(!name2addrlist(&resolved_list,
> c->opt->remote_address, DEFAULT_LOOPBACK)){
> s_log(LOG_ERR, "No host resolved");
> longjmp(c->err, 1);
> }
> address_list=&resolved_list;
> } else /* use pre-resolved addresses */
> address_list=&c->opt->remote_addr;
>
> Maybe you use some kind of advanced/broken resolver library that caches IP
> addresses?
>
> Best regards,
> Mike
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>
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