mod_firewall: Add checkcerts option for HTTP lists, cert verification disabled when SNI unsupported This provides a balance between security and usability. SNI is supported in Prosody trunk and in Prosody 0.11 from commit 30d3f6f85eb8 (scheduled for 0.11.7).

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summary: Allow server administrators to probe any user
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This module lets server administrators send `<presence type="probe"/>`
to any local user and receive their presence in response, bypassing
roster checks.