Issue

Solution

Your ESET product communicates with resources on the internet over standard HTTP protocol on Port 80, or over HTTPS on Port 443.

To resolve your issue, the following hosts in each ESET component must be made accessible:

• Download detection engine and module updates
• Download pico updates
• Download product installers, updates
• Expiration date
• Support requests
• ESET Secure Authentication Provisioning Server
• ESET Live Grid
• Advanced Machine Learning
• Anonymous statistics
• Web Control/Parental Control
• Password Manager
• Antispam
• GUI
• Mobile Security
• ESET Data Framework (Anti-Theft, ESET License Administrator, Parental control, Web control)
• ERA 6/ ESMC 7/ ESET PROTECT 8
• ESET Push Notification Service
• ESET Dynamic Threat Defense
• Services
• Online Help
• MSP
• DNS load balancers
• Telemetry
• Certificate Revocation Checks (OCSP)
• Syslog security restrictions and limits

 

To download detection engine updates:

View list of IP addresses in a text file

Hostname	IP address
um01.eset.com	91.228.166.13
um02.eset.com	91.228.166.14
um03.eset.com	91.228.166.15
um04.eset.com	91.228.166.16
um05.eset.com	91.228.167.132
um06.eset.com	91.228.167.133
um07.eset.com	38.90.226.36
um08.eset.com	38.90.226.37
um09.eset.com	38.90.226.38
um10.eset.com	38.90.226.39
um11.eset.com	91.228.166.88
um12.eset.com	91.228.167.170
um13.eset.com	38.90.226.40
um14.eset.com	185.94.157.10
um15.eset.com	185.94.157.11
um21.eset.com	91.228.167.26
um23.eset.com	91.228.167.21
um01.ru.eset.com	188.225.81.21
um01.cn.eset.com	119.29.72.159

To download detection engine updates, use this hostname:

• update.eset.com

To download detection engine updates only from servers located in a specific region, select one of these hostnames:

• Europe: eu-update.eset.com
• US: us-update.eset.com

 

To download pico updates (ESET Endpoint Antivirus 7.x / ESET Endpoint Security 7.x):

Hostname	IP address
pico.eset.com	38.90.226.37
	38.90.226.38
	38.90.226.39
	38.90.226.40
	91.228.166.14
	91.228.166.15
	91.228.166.16
	91.228.166.88
	91.228.167.21
	91.228.167.26
	91.228.167.133
	91.228.167.170
	185.94.157.10
	185.94.157.11
	119.29.72.159

To download product installers, updates:

Service	IP address
download.eset.com	91.228.166.154
	91.228.167.190
	38.90.226.111

 

To see the expiration date:

View list of IP addresses in a text file

Hostname	IP address
expire.eset.com	91.228.165.81
	91.228.167.125
edf.eset.com	40.114.143.2
	13.64.117.133
	13.91.57.145

 

To send support requests using the Support request function:

Hostname	IP address
suppreq.eset.eu	91.228.165.114
	91.228.167.111

 

To allow communication with ESET Secure Authentication Provisioning Server (two-factor authentication):

View list of IP addresses in a text file

Hostname	IP address	Port
ecp.eset.systems
esa.eset.com m.esa.eset.com	91.228.167.115	443
	91.228.167.120
	91.228.167.122
	91.228.167.152

Servers:

Hostname	IP address
h3-esa2-01-v.eset.com	91.228.167.115
h3-esa2-02-v.eset.com	91.228.167.122
h3-esa2-03-v.eset.com	91.228.167.120
h3-esa2-04-v.eset.com	91.228.167.152
repository.eset.com

 

To use the online reputation database (ESET Live Grid):

• Ensure the following ports are open: TCP 80, TCP 53535, UDP 53535
• The IP addresses below have to be enabled for HTTP port 80
• Access to your local DNS server is required for DNS queries on UDP port 53

View list of IP addresses in a text file

Hostname	IP address
h1-c01.eset.com	91.228.166.45
h1-c02.eset.com	91.228.166.46
h1-c03.eset.com	91.228.165.43
h1-c04.eset.com	91.228.165.44
h1-c05.eset.com	91.228.166.52
h3-c01.eset.com	91.228.167.137
h3-c02.eset.com	91.228.167.43
h3-c03.eset.com	91.228.167.46
h3-c04.eset.com	91.228.167.103
h5-c01.eset.com, 38-90-226-11.ptr.eset.com	38.90.226.11
h5-c02.eset.com, 38-90-226-12.ptr.eset.com	38.90.226.12
h5-c03.eset.com, 38-90-226-13.ptr.eset.com	38.90.226.13

Domains used by ESET Live Grid:

Hostnames
a.cwip.eset.com
ae.cwip.eset.com
avcloud.e5.sk
c.cwip.eset.com
ce.cwip.eset.com
dnsj.e5.sk
dnsje.e5.sk
i1.cwip.eset.com
i1e.cwip.eset.com
i3.cwip.eset.com
i4.cwip.eset.com
i4e.cwip.eset.com
u.cwip.eset.com
ue.cwip.eset.com
c.eset.com
a.c.eset.com
u.eset.com
i1.c.eset.com
i3.c.eset.com
i4.c.eset.com
i5.c.eset.com

These IP addresses need to be enabled for HTTP port 80. Also, an access to your local DNS server is required for DNS queries on UDP port 53.

 

Advanced Machine Learning:

Hostname	IP address
h1-aidc01.eset.com	91.228.166.137
h3-aidc01.eset.com	91.228.167.184
h5-aidc01.eset.com	38.90.226.41

 

To submit suspicious files and anonymous statistical information to ESET's Threat Lab:

View list of IP addresses in a text file

• tsm09.eset.com - tsm16.eset.com

Hostname	IP address
tsm09.eset.com	91.228.166.11
tsm10.eset.com	91.228.166.148
tsm11.eset.com	91.228.166.149
tsm12.eset.com	91.228.167.144
tsm13.eset.com	91.228.167.145
tsm14.eset.com	91.228.167.146
tsm15.eset.com	91.228.166.150
tsm16.eset.com	91.228.167.151

• ts.eset.com

 

To use the Web control/Parental Control module:

View list of IP addresses in a text file

• Base domain for DNS queries: e5.sk
• Make sure to open UDP port 53535 for the addresses in the table below and allow requests to your local DNS server (UDP/TCP port 53).

Hostname	IP address
h1-arsp01-v.eset.com	91.228.166.42
h1-arsp02-v.eset.com	91.228.166.43
h3-arsp01-v.eset.com	91.228.167.141
h3-arsp02-v.eset.com	91.228.167.142
h5-arsp01-v.eset.com	38.90.226.14
h5-arsp02-v.eset.com	38.90.226.15

 

To use ESET Password Manager (version 10+):

View list of IP addresses in a text file

Hostname	IP addresses
ext-pwm.eset.com	52.209.182.22, 52.48.20.160, 52.50.84.107
eset-870273198.eu-west-1.elb.amazonaws.com	52.209.182.22, 52.48.20.160, 52.50.84.107
esetpwmdata-1.s3.amazonaws.com	52.218.64.33
s3-3-w.amazonaws.com	52.218.64.33

 

To use the Antispam module:

View list of IP addresses in a text file

• Version 5 and higher: You need to allow requests to your local DNS server (TCP/UDP port 53).
• Base domain for DNS queries: e5.sk

Hostname	IP address
h1-ars01-v.eset.com	91.228.166.61
h1-ars02-v.eset.com	91.228.166.62
h1-ars03-v.eset.com	91.228.166.63
h1-ars04-v.eset.com	91.228.166.64
h1-ars05-v.eset.com	91.228.166.65
h3-ars01-v.eset.com	91.228.167.36
h3-ars02-v.eset.com	91.228.167.67
h3-ars03-v.eset.com	91.228.167.68
h3-ars04-v.eset.com	91.228.167.74
h3-ars05-v.eset.com	91.228.167.116
h5-ars01-v.eset.com	38.90.226.21
h5-ars02-v.eset.com	38.90.226.22
h5-ars03-v.eset.com	38.90.226.23
h5-ars04-v.eset.com	38.90.226.24
h5-ars05-v.eset.com	38.90.226.25

• Version 4: You only need to allow requests to your local DNS server (port 53)

• Version 3:
  • 82.165.143.243
  • 87.106.222.139
  • 87.106.240.241
  • 82.165.143.242
  • 87.106.131.195

Domains used by the Antispam module:

Hostnames
dns.e5.sk
salt.e5.sk
rsys.e5.sk
arb.e5.sk
asplog.e5.sk
mri.e5.sk
ipt.e5.sk
sample.e5.sk
stat.e5.sk
setting.e5.sk
gid.e5.sk

To use the Antispam module:

(ESET Mail Security 4.x for Microsoft Exchange, ESET Mail Security 4.x for IBM Lotus Domino, ESET Mail Security for Linux/BSD/Solaris 4.0)

• ds1-uk-rules-1.mailshell.net
• ds1-uk-rules-2.mailshell.net
• ds1-uk-rules-3.mailshell.net
• fh-uk11.mailshell.net

View list of IP addresses in a text file

23.239.11.145	85.159.211.160	173.255.218.51	178.79.164.196	209.157.66.235
23.239.13.41	87.106.104.112	173.255.226.186	178.79.181.233	209.157.66.236
23.239.15.84	87.106.11.214	173.255.232.151	178.79.182.43	209.157.66.237
23.92.19.91	87.106.11.38	173.255.234.245	178.79.183.81	209.157.66.238
23.92.26.7	87.106.12.77	173.255.234.85	178.79.186.194	209.157.66.239
23.92.27.240	87.106.128.170	173.255.243.160	178.79.188.10	209.157.66.240
50.116.11.250	87.106.13.61	173.255.245.232	178.79.190.135	209.157.66.241
50.116.14.27	87.106.141.10	173.255.253.150	178.79.190.174	209.157.66.242
50.116.19.218	87.106.183.224	173.255.254.232	192.155.84.126	209.157.66.243
50.116.2.121	87.106.209.135	176.58.100.154	192.155.86.247	209.157.66.244
50.116.3.153	87.106.209.149	176.58.101.140	192.155.87.170	209.157.66.245
50.116.3.42	87.106.210.57	176.58.104.101	192.81.129.218	209.157.66.246
50.116.4.68	87.106.214.177	176.58.110.248	192.81.134.251	209.157.66.247
50.116.50.102	87.106.240.160	176.58.111.122	198.58.97.43	209.157.66.248
50.116.50.105	88.208.202.90	176.58.111.124	198.74.49.240	209.157.66.249
50.116.50.109	88.208.202.91	176.58.111.163	198.74.57.188	209.157.66.253
50.116.50.197	88.208.248.146	176.58.112.126	198.74.58.243	212.227.96.110
50.116.50.202	88.208.248.164	176.58.112.160	209.157.64.162	212.71.233.60
50.116.54.198	88.208.248.199	176.58.115.138	209.157.64.163	212.71.251.168
50.116.61.111	88.208.248.200	176.58.115.39	209.157.64.164	212.71.251.182
50.116.61.155	88.80.184.106	176.58.117.5	209.157.64.165	212.71.252.146
50.116.62.242	88.80.185.201	176.58.117.75	209.157.64.166	213.171.205.141
50.116.63.215	88.80.190.155	176.58.119.151	209.157.64.167	213.171.205.238
50.116.63.216	96.126.106.194	176.58.124.244	209.157.64.168	213.171.205.77
66.175.214.89	96.126.98.211	176.58.97.188	209.157.64.169	213.171.205.78
66.175.223.13	97.107.134.71	176.58.98.13	209.157.64.170	213.171.206.148
66.228.48.183	104.131.131.132	176.58.98.155	209.157.64.171	213.171.207.47
74.207.240.108	104.200.24.34	176.58.99.196	209.157.64.172	213.171.207.48
74.207.252.229	109.123.106.250	176.58.99.197	209.157.64.173	213.171.207.62
74.208.106.28	109.74.197.59	178.79.128.94	209.157.64.174	213.171.207.71
74.208.78.224	151.236.219.57	178.79.138.31	209.157.64.175	213.171.207.72
74.208.79.219	162.216.16.201	178.79.140.188	209.157.64.176	217.174.248.233
74.208.79.224	162.216.18.163	178.79.143.222	209.157.64.177	217.174.249.167
74.208.99.25	173.230.146.110	178.79.150.32	209.157.66.226	217.174.249.223
77.68.39.21	173.230.152.57	178.79.152.167	209.157.66.227	217.174.249.232
77.68.39.31	173.255.209.236	178.79.153.233	209.157.66.229
80.85.85.133	173.255.213.36	178.79.157.41	209.157.66.230
80.85.85.200	173.255.214.49	178.79.159.237	209.157.66.232
80.85.85.58	173.255.214.53	178.79.163.250	209.157.66.234

These IP addresses need to be enabled for HTTP port 80 (used for downloading updates of Antispam database). Also, an access to your local DNS server is required for DNS queries on UDP port 53.

 

To ensure proper functionality of linking and redirection from your ESET product's graphical user interface:

View list of IP addresses in a text file

Hostname	IP address
go.eset.eu	91.228.165.134
	91.228.167.134
support-go.eset.eu h1-redir02-v.eset.com h3-redir02-v.eset.com	91.228.166.78
	91.228.167.98

 

To activate ESET Mobile Security:

• reg01.eset.com/mob_activate - reg04.eset.com/mob_activate
• reg01.eset.com/mob_register - reg04.eset.com/mob_register

 

ESET Data Framework (Anti-Theft, ESET License Administrator, Parental control, Web control):

View list of IP addresses in a text file

Hostname	IP address	Note
edf.eset.com	40.114.143.2
	13.64.117.133
	13.91.57.145
h1-edfspy02-v.eset.com	91.228.165.74	Old ESET products only
h1-edfspy02-v.eset.com	91.228.167.40	Old ESET products only
h1-arse01-v.eset.com	91.228.166.104
h1-arse02-v.eset.com	91.228.166.71
h3-arse01-v.eset.com	91.228.167.64
h3-arse02-v.eset.com	91.228.167.81
h5-arse01-v.eset.com	38.90.226.16
h5-arse02-v.eset.com	38.90.226.17
h5-arse03-v.eset.com	38.90.226.42
h5-arse04-v.eset.com	38.90.226.34
ecp.eset.systems	13.91.140.245
	13.91.207.10

 

ESET Repository - repository.eset.com (ESET Remote Administrator 6.x, ESET Security Management Center 7.x and ESET PROTECT 8.x):

View list of IP addresses in a text file

Hostname	IP address
repository.eset.com	38.90.226.20
	91.228.166.23
	91.228.167.25

The IP address of ESET repository server in China: 161.189.152.208
Some locations (like Japan, Australia or New Zealand) might have different IP addresses because of using CDN.
Use repositorynocdn.eset.com to connect ESET repository servers only, however in this case the best Internet connection cannot be guaranteed.

Make sure you have HTTP 1.1 enabled when accessing the repository or ESET update servers via 3rd party proxy. This applies to all products that have access to ESET repository.

For more information see

• ESET Security Management Center repository is not working (7.x)

 

ESET Push Notification Service

View list of IP addresses in a text file

ESET Push Notification Service (EPNS) sends Wake-Up calls between ESET Management Agents and ESMC/ESET PROTECT/ESET PROTECT Cloud server.

 

ESET Dynamic Threat Defense:

Users need to whitelist both addresses for each hostname.

Hostname	IP address
r.edtd.eset.com	137.117.138.135 (Europe) 13.83.244.211 (USA)
d.edtd.eset.com	137.117.138.135 (Europe) 13.83.244.211 (USA)

 

Services (activation, expiration, IP location, trace, version check, redirector, in-product images & messages, SSL certificate check):

View list of IP addresses in a text file

Linking and redirection:

Hostname	IP address
proxy.eset.com	91.228.165.81
	91.228.165.85
	91.228.167.55
	91.228.167.125
h1-weblb01-v.eset.com	91.228.165.79
h3-weblb01-v.eset.com	91.228.167.123

Activation:

Hostname	IP address	Note
register.eset.com	91.228.165.81
	91.228.167.125
h1-weblb01-v.eset.com	91.228.165.79	Old Activation services
h3-weblb01-v.eset.com	91.228.167.123	Old Activation services
iploc.eset.com	91.228.165.81
	91.228.167.125
	13.91.140.245
	13.91.207.10
pki.eset.com	91.228.166.181
	91.228.167.181
versioncheck.eset.com	91.228.165.81
	91.228.167.125

Trace - Installation statistics:

Hostname	IP address
trace.eset.com	91.228.165.81
	91.228.167.125

In-product images & messages:

Hostname	IP address
ipm.eset.com ipm.eset.systems	157.56.166.70
banner.eset.com	91.228.167.30

SSL Certificate check:

Hostname	IP address
proxy-detection.eset.com	38.90.226.28
	91.228.166.91
	91.228.167.91

 

Online help and Knowledgebase:

View list of IP addresses in a text file

Hostname	IP address
help.eset.com	91.228.165.46
	91.228.167.61
	38.90.227.28
support.eset.com	34.198.154.246
	52.4.210.140
int.form.eset.com	91.228.166.22

91.228.166.154

ESET MSP Utility (EMU)

View list of IP addresses in a text file

Hostname	IP address	Port
ftp.eset.sk	91.228.166.130	80
mspapi.esetsoftware.com	168.62.212.42	443
go.eset.com	72.32.32.10	80

 

DNS load balancers

ESET DNS service for eset.com domains is often used for optimal distribution of requests to ESET’s resources.

Hostname	IP address
h1-f5lb01-s.eset.com	91.228.165.117
h3-f5lb01-s.eset.com	91.228.167.16
h5-f5lb01-s.eset.com	38.90.226.53
h1-f5gtm01-s.eset.com	91.228.165.72
h3-f5gtm01-s.eset.com	91.228.167.185
h5-f5gtm01-s.eset.com	38.90.226.59

Telemetry

Telemetry services:

• gallup.eset.com:443

Certificate Revocation Checks (OCSP)

Some third-party applications (e.g. web browsers) check the revocation status of SSL/TLS certificates via Online Certificate Status Protocol (OCSP).

• 93.184.220.29
• 72.21.91.29
• 192.16.58.8
• 117.18.237.29
• 66.225.197.197

---

Syslog security restrictions and limits

• Outgoing IP addresses from ESET PROTECT Cloud in the Europe region: 51.136.106.164/30
• Outgoing IP addresses from ESET PROTECT Cloud in the USA region: 40.81.8.148/30