# IP Security

Here you can activate the encryption of the call connections using SRTP, administer the certificates, and sets the settings to protect against Denial of Service (DoS).

Available topics:

General

Certificates

IP blocklist

- General
- Certificates
- Public
- IP blocklist
- IP Allowlist
- Firewall configuration
- SMTP server
- LDAP server active
- Active Directory
- Picture server
- Mitel server
- CSTA service
- MSRP service

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