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IronPort - Configuration Guide - AsyncOS 7.6.1

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C-2<br />

Table C-1 Firewall Ports (Continued)<br />

Cisco <strong>IronPort</strong> <strong>AsyncOS</strong> 7.6 for Email <strong>Configuration</strong> <strong>Guide</strong><br />

Appendix C Firewall Information<br />

53 UDP/TCP In & Out DNS Servers DNS if configured to use Internet root<br />

servers or other DNS servers outside<br />

the firewall. Also for SenderBase<br />

queries.<br />

110 TCP Out POP Server POP authentication for end users for<br />

Cisco <strong>IronPort</strong> Spam Quarantine<br />

123 UDP In & Out NTP Server NTP if time servers are outside<br />

firewall.<br />

143 TCP Out IMAP Server IMAP authentication for end users for<br />

Cisco <strong>IronPort</strong> Spam Quarantine<br />

161 UDP In <strong>AsyncOS</strong> IPs SNMP Queries<br />

162 UDP Out Management Station SNMP Traps<br />

389 LDAP Out LDAP Servers LDAP if LDAP directory servers are<br />

3268<br />

outside firewall. LDAP authentication<br />

for Cisco <strong>IronPort</strong> Spam Quarantine<br />

636<br />

3269<br />

LDAPS Out LDAPS LDAPS — ActiveDirectory’s Global<br />

Catalog Server<br />

443 TCP In <strong>AsyncOS</strong> IPs Secure HTTP (https) access to the<br />

GUI for system monitoring.<br />

443 TCP Out res.cisco.com Cisco Registered Envelope Service<br />

443 TCP Out updates-static.ironport.co<br />

m<br />

443 TCP Out phonehome.senderbase.or<br />

g<br />

Verify the latest files for the update<br />

server.<br />

Receive/Send Outbreak Filters<br />

514 UDP/TCP Out Syslog Server Syslog logging<br />

628 TCP In <strong>AsyncOS</strong> IPs QMQP if injecting email from outside<br />

firewall.<br />

2222 CCS In & Out <strong>AsyncOS</strong> IPs Cluster Communication Service (for<br />

Centralized Management).<br />

6025 TCP Out <strong>AsyncOS</strong> IPs Cisco <strong>IronPort</strong> Spam Quarantine<br />

OL-25136-01

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