Security¶

• Table of contents
• Security
  • Popular attack types.
  • Protection from attacks.

In modern world of telecommunications the security question is of a great concern, because a single security hole can cause significant financial losses.

Notice! All attack types described below took place in real life, therefore don't think that they could never relate to you!

Popular attack types.¶

• Password brute-force
• A hack of your partner-originator and launch of parallel VoIP proxy
• Stolen password
• A hack of permanently attached IP-KVM and access to server through physical console
• Web-interface password interception
• IP spoofing

Protection from attacks.¶

• Fail2Ban
• Password strength check system
• Limited SSH access
• Originator's SIP port authentication
• Origination control
• Balance cutoff
• HTTP blocked, HTTPS is used
• Encrypted passwords

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