[Assp-test] fixes in assp 2.5.6 *Fortress* build 17338

[Thomas E. <Tho...@th...>]

Hi all,

fixed in assp 2.5.6 *Fortress* build 17338:

- orphaned connection data and handles may caused errors like:
  - too many open files
  - invalid filehandle
  - ....
  It was also possible, that the connection screen and the worker status 
screen have shown incorrect data.
  On some systems those orphaned connections caused unexpected high CPU 
and memory usage.

changed:

- 'maxSSLRenegotiations' is only checked for incoming mails, not for local 
and outgoing mails

- the default value for 'maxSSLRenegotiations','Maximum Allowed SMTP SSL 
Client-Initiated-Renegotiations' is changed to 10

- SSLDEBUG now writes the debug information of the SSL handling to 
maillog.txt

- For all SSL listeners and STARTTLS connections where assp acts as server 
and all SSL/TLS connections to defined destinations only a single 
SSL-Context is used
  for each peer to speedup the SSL connections and to reduce memory usage.
  Setting the hidden configuration parameter 'enablePermanentSSLContext' 
to zero or 'undef' will force the old behavior (create and delete the 
SSL-Context for each connection).
  Setting the hidden configuration parameter 'enablePermanentSSLContext' 
to zero or 'undef' is not related to SNI configurations. For SNI server 
configurations a permanent
  SSL-Context is used every time.

- improved SNI support for environments with a large amount of 
SSL-certificates and keys

- speed improvement of the rebuildspamdb task

- It is now possible to define a SSL-listener for 'relayPort' - to do this 
write SSL: in front of the listener definition.
  Examples:
  225
  SSL:325
  225|SSL:325
  127.0.0.1:225
  192.168.1.1:225|192.168.2.1:225|SSL:192.168.1:325

added:

- ASSP_AFC version 4.74 is able to check for 'Microsoft Office Compound 
File Binary (OLE)' attachments - the exception tag is :MSOLE

- The above referenced hidden configuration variable 
'enablePermanentSSLContext' is added 
  our $enablePermanentSSLContext = 1;      # (0/1) enable usage of 
permanent SSL Context - maxunused = 1 hour, max lifetime = 1 day (default 
= 1)
  If set, assp will reuse an available SSL-Context unitl this context is 
not older than one day or it was unused for over one hour.

Thomas



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