Zscaler App

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Role/Function IPs Ports Comments
Service Discovery, Enrollment, Login Zscaler Hub IP Addresses 443 Mobile.zscaler.net, mobile.zscalerthree.net, login.zscalerthree.net
PAC PAC IP Addresses 80
443
pac.zscalerthree.net
Tunnel/ZEN Cloud enforcement node ranges 80
443
8080 (if 80,443 are blocked)
ZEN IPs
Captive URL1 -- -- -- --- 80 clients4.google.com
Captive URL2 PAC IP Addresses 80 pac.zscalerthree.net
Support ----------- 443 Mobilesupport.zscaler.com
Samsung ELM key activation for Android ZApp ----------- 443 Americas
gslb.secb2b.com
us-elm.secb2b.com
us-prod-klm-b2c.secb2b.com
us-prod-klm.secb2b.com
EMEA
gslb.secb2b.com
eu-elm.secb2b.com
eu-prod-klm-b2c.secb2b.com
eu-prod-klm.secb2b.com
China
china-gslb.secb2b.com.cn
china-elm.secb2b.com.cn
china-b2c-klm.secb2b.com.cn
china-prod-klm.secb2b.com.cn
ZApp auto update ---------- 443 d32a6ru7mhaq0c.cloudfront.net
Certificate Validation 72.21.91.29
117.18.237.29
93.184.220.29
192.16.58.8
66.225.197.197
80 ocsp.digicert.com
crl3.digicert.com
crl4.digicert.com
Note: Currently the following IPs can serve ZAPP traffic but it is recommended to allow entire Zscaler HUB IP Address space as service can move without notice
Current IPs*: 104.129.193.79 104.129.193.230 165.225.73.64
Port 443 443 443