vthrottle is an implementation of an SMTP throttling engine for Sendmail servers, based upon M. Williamson's mechanisms, as described in his 2003 Usenix Security paper. It allows the administrator to control how much email users and hosts may send, hindering the rapid spread of viruses, worms, and spam. Exceptions can be made using a whitelist mechanism, which can be generated manually or with the included tool vmeasure.
81371e8cfdf739eccf59b70ac3a40d53a00742977da0f7c73029f63c7261246evthrottle is an implementation of an SMTP throttling engine for Sendmail servers, based upon M. Williamson's mechanisms, as described in his 2003 Usenix Security paper. It allows the administrator to control how much email users and hosts may send, hindering the rapid spread of viruses, worms, and spam. Exceptions can be made using a whitelist mechanism, which can be generated manually or with the included tool vmeasure.
8ccf4c09583f75d4470ccf6960421588913866604303e286ad78dcd7ea17bbfdvthrottle is an implementation of an SMTP throttling engine for Sendmail servers, based upon M. Williamson's mechanisms, as described in his 2003 Usenix Security paper. It allows the administrator to control how much email users and hosts may send, hindering the rapid spread of viruses, worms, and spam. Exceptions can be made using a whitelist mechanism, which can be generated manually or with the included tool vmeasure.
153f4f33f318d3141ce68d6b21c2a4d19c425bdc02bffd0fceffe0f0c762791aPassive System Fingerprinting using Network Client Applications - Passive target fingerprinting involves the utilization of network traffic between two hosts by a third system to identify the types of systems being used. Because no data is sent to either system by the monitoring party, detection approaches the impossible. Methods which rely solely on the IP options present in normal traffic are limited in the accuracy about the targets. Further inspection is also needed to determine avenues of vulnerability, as well. We describe a method to rapidly identify target operating systems and version, as well as vectors of attack, based on data sent by client applications. While simplistic, it is robust. The accuracy of this method is also quite high in most cases. Four methods of fingerprinting a system are presented, with sample data provided.
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