Appendix 1. Network settings for interaction with external services
January 15, 2025
ID 202507
Kaspersky Anti-Ransomware Tool for Home uses the following network settings for interacting with external services:
Address
Protocol
Port
Description
s00.upd.kaspersky.com
s01.upd.kaspersky.com
s02.upd.kaspersky.com
s03.upd.kaspersky.com
s04.upd.kaspersky.com
s05.upd.kaspersky.com
s06.upd.kaspersky.com
s07.upd.kaspersky.com
s08.upd.kaspersky.com
s09.upd.kaspersky.com
s10.upd.kaspersky.com
s11.upd.kaspersky.com
s12.upd.kaspersky.com
s13.upd.kaspersky.com
s14.upd.kaspersky.com
s15.upd.kaspersky.com
s16.upd.kaspersky.com
s17.upd.kaspersky.com
s18.upd.kaspersky.com
s19.upd.kaspersky.com
cm.k.kaspersky-labs.com
HTTPS
443
Updating databases and application modules.
downloads.upd.kaspersky.com
HTTPS
443
Updating databases and application modules.
Checking if Kaspersky servers are accessible. If access to the servers using system DNS is not possible, the application uses public DNS. This is necessary to make sure anti-virus databases are updated and the level of security is maintained for the computer. Kaspersky Anti-Ransomware Tool uses the following list of public DNS servers in the following order:
Google Public DNS (8.8.8.8).
Cloudflare DNS (1.1.1.1).
Alibaba Cloud DNS (223.6.6.6).
Quad9 DNS (9.9.9.9).
CleanBrowsing (185.228.168.168).
Requests emitted by the application may contain addresses of domains and the public IP address of the user because the application establishes a TCP/UDP connection with the DNS server. This information is needed, for example, to validate the certificate of a web resource when using HTTPS. If Kaspersky Anti-Ransomware Tool is using a public DNS server, data processing is governed by the privacy policy of the relevant service.
touch.kaspersky.com
HTTP
80
Receiving the trusted time for checking the validity period of the certificate (TLS connection).
p00.upd.kaspersky.com
p01.upd.kaspersky.com
p02.upd.kaspersky.com
p03.upd.kaspersky.com
p04.upd.kaspersky.com
p05.upd.kaspersky.com
p06.upd.kaspersky.com
p07.upd.kaspersky.com
p08.upd.kaspersky.com
p09.upd.kaspersky.com
p10.upd.kaspersky.com
p11.upd.kaspersky.com
p12.upd.kaspersky.com
p13.upd.kaspersky.com
p14.upd.kaspersky.com
p15.upd.kaspersky.com
p16.upd.kaspersky.com
p17.upd.kaspersky.com
p18.upd.kaspersky.com
p19.upd.kaspersky.com
downloads.kaspersky-labs.com
cm.k.kaspersky-labs.com
HTTP
80
Updating databases and application modules.
ds.kaspersky.com
dc1-file.ksn.kaspersky-labs.com
ksn-stat-geo.kaspersky-labs.com
ksn-pp.kaspersky-labs.com
dc1-st.ksn.kaspersky-labs.com
ksn-crypto-ipm-geo.kaspersky-labs.com
HTTPS
443
Using Kaspersky Security Network.
ksn-a-stat-geo.kaspersky-labs.com
ksn-file-geo.kaspersky-labs.com
ksn-verdict-geo.kaspersky-labs.com
ksn-url-geo.kaspersky-labs.com
ksn-a-p2p-geo.kaspersky-labs.com
ksn-info-geo.kaspersky-labs.com
ksn-cinfo-geo.kaspersky-labs.com
Any
443
1443
Using Kaspersky Security Network.
click.kaspersky.com
redirect.kaspersky.com
HTTPS
443
Follow links from the interface.
crl.kaspersky.com
ocsp.kaspersky.com
HTTP
80
Public Key Infrastructure (PKI)
app-sj06.marketo.com
HTTPS
443
User registration
ksn-stat-install.kaspersky-labs.com
HTTPS
443
Sending statistics
ipm-klca.kaspersky.com
statistic.content.ipm-klca.kaspersky.com
kart.k.kaspersky-labs.com
HTTPS
443
Downloading IPM content and sending IPM statistics.
dmpcfg.kaspersky-labs.com
dmpupload.kaspersky-labs.com
HTTPS
443
Sending the application dump files and ETL logs.
tfu.s.kaspersky-labs.com
HTTPS
443
Downloading new product versions.
Did you find this article helpful?
What can we do better?
Thank you for your feedback! You're helping us improve.
Thank you for your feedback! You're helping us improve.