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To ensure that File Security Virtual Appliance can properly communicate with your environment, you must configure the appropriate allow rules in your firewall.
Firewall exception requirements differ depending on your region. Refer to the following topics to ensure you configure the correct allow rules.

Virtual Appliance

Region
Exception
us-east-1
api.xdr.trendmicro.com
xlogr-ue1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-us-f.trx.trendmicro.com
ctapi.trendmicro.com
ap-south-1
api.in.xdr.trendmicro.com
xlogr-as1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-apac-f.trx.trendmicro.com
ctapi.trendmicro.com
eu-central-1
api.eu.xdr.trendmicro.com
xlogr-ec1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-eu-f.trx.trendmicro.com
ctapi.trendmicro.com
ap-southeast-1
api.sg.xdr.trendmicro.com
xlogr-ase1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-apac-f.trx.trendmicro.com
ctapi.trendmicro.com
ap-southeast-2
api.au.xdr.trendmicro.com
xlogr-ase2.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-apac-f.trx.trendmicro.com
ctapi.trendmicro.com
ap-northeast-1
api.jp.xdr.trendmicro.co.jp
xlogr-ane1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-jp-f.trx.trendmicro.com
ctapi.trendmicro.com
me-central-1
api.mea.xdr.trendmicro.com
xlogr-mea.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-mea-f.trx.trendmicro.com
ctapi.trendmicro.com
ca-central-1
api.ca.xdr.trendmicro.com
xlogr-cc1.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-us-f.trx.trendmicro.com
ctapi.trendmicro.com
eu-west-2
api.uk.xdr.trendmicro.com
xlogr-ew2.xdr.trendmicro.com
activeupdate.trendmicro.com
v1fsva10-eu-f.trx.trendmicro.com
ctapi.trendmicro.com