SIP Brute Force Attacks on the Increase
On our own Asterisk PBX server for our office and on some customer boxes with open SIP ports, we have seen a dramatic rise in brute force SIP attacks. They all follow a very common pattern – just over...
View ArticleCombatting SPAM in ISP Mail Servers
Introduction ISPs must provide a mail relay service to their end users. However, mail relay isn’t a revenue generating service and ISPs can’t allocate unlimited staff resources to these services. The...
View ArticleSecuring LDAP with TLS / SSL
This is a continuation of a previous post, Creating an LDAP Addressbook / Directory where we add SSL encryption to the directory. In our case, we used a signed Unified Communications Certificate (UCC)...
View ArticleMulti-Master LDAP Replication
Following up from my articles on Creating an LDAP Addressbook / Directory and then Securing LDAP with TLS / SSL, I’ll now focus on multi-master replication. Actually, this example will focus on...
View Article
