D-Link DFL-860E Log Reference Guide for DFL-260E - Page 54

2.1.42. max_smtp_sessions_reached (ID: 00200150) Chapter 2. Log Message Reference Revision Context Parameters 1 ALG Module Name 2.1.42. max_smtp_sessions_reached (ID: 00200150) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Parameters Context Parameters WARNING SMTPALG: Maximum number of SMTP sessions () for service reached. Closing connection The maximum number of concurrent SMTP sessions has been reached for this service. No more sessions can be opened before old sessions have been released. close If the maximum number of SMTP sessions is too low, increase it. 1 max_sessions ALG Module Name 2.1.43. maximum_email_per_minute_reached (ID: 00200151) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Parameters Context Parameters WARNING SMTPALG: Maximum number of emails per client and minute reached. Client is trying to send emails at a rate higher than the configured value. session_rejected This can be a possible DOS attack. 2 sender_email_address ALG Module Name ALG Session ID 2.1.44. failed_create_new_session (ID: 00200152) Default Severity Log Message Explanation CRITICAL SMTPALG: Failed to create new SMTPALG session (out of memory) An attempt to create a new SMTPALG session failed. The unit has run out of memory. 54