Third-party mirrors often fail to sync in real-time, leaving your antivirus hours or days behind the latest threat signatures. Security Risks of Unofficial Links
: Organizations with computers without internet access can create an official Update Mirror using the ESET Mirror Tool and an offline license file. Official ESET Server Information
A: ESET operates http://u21.eset.com from Hong Kong. For mainland China, use http://um10.cn.eset.com (valid only for licensed Chinese editions).
| Server Address | Recommended Use Case / Type | Source / Notes | | :--- | :--- | :--- | | http://u360.eset.com.cn/eset_upd | Chinese Mainland users; often the fastest option | | | http://u4edu.eset.com.cn | Campus networks, educational institutions in China | | | http://um10.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um11.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um12.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um13.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um14.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um15.cn.eset.com/eset_upd | Chinese Mainland users | | | http://um16.cn.eset.com/eset_upd | Chinese Mainland users | | | http://u1.eset.com.cn | Chinese Mainland users | | | http://u2.eset.com.cn | Chinese Mainland users | | | http://u7.eset.com.cn | Chinese Mainland users | | | http://lan.ftpaccess.cc/eset_upd/ | Alternative mirror | | | http://www.oobeta.com/eset_upd | Alternative mirror (for older versions EAV/ESS) | | | http://www.oobeta.com/nod_upd | Alternative mirror (for older NOD32 2.x versions) | | | http://update.eset.com/eset_upd | General official server (international) | | | http://www.nod32.com/nod32_upd | General official server (international) | | | http://um10.eset.com/eset_upd | General official server (international) | | | http://um18.eset.com/eset_upd | General official server (international) | | | eu-update.eset.com | Europe region | | | us-update.eset.com | United States region | |
Disclaimer: These are public mirrors reported by ESET users globally. Always verify with ESET support before relying on them for long-term use.
If your organization operates a local update mirror (such as one created with ESET Mirror Tool or ESET PROTECT), clients should connect using the mirror's IP address or hostname, followed by . The format is:
ESET offers fully functional, free 30-day trials for its security suites. These trials give you access to the official, secure update servers and the complete feature set without requiring a credit card up front. This is the best way to evaluate the software safely. Explore ESET HOME Free Options
Connecting to an unknown server exposes your IP address and security configuration to the server's administrator, who may harvest this data for malicious activities.
If a paid subscription to ESET NOD32 does not fit your budget, do not compromise your security with cracked servers. Turn to trusted, permanently free antivirus solutions instead:
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