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litespeed_wiki:licenses:failed-to-contact-license-server [2018/08/21 16:01] Jackson Zhang [Check your DNS server] |
litespeed_wiki:licenses:failed-to-contact-license-server [2018/08/21 16:09] Jackson Zhang [Check your DNS server and Disable IPv6 DNS server] |
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| ===== Check your DNS server and Disable IPv6 DNS server ===== | ===== Check your DNS server and Disable IPv6 DNS server ===== | ||
| - | If your server can connect to the license server without any problem but it still returns "failed to contact license server" | + | Check if there's any IPv6 DNS nameserver. Our license server does not like IPv6 mapped IPv4 addresses. |
| <code>cat /etc/resolv.conf</code> | <code>cat /etc/resolv.conf</code> | ||
| - | Check if there's any IPv6 nameserver, try commend out the IPv6 server record and try verify license again. | + | |
| + | nameserver 62.50.161.166 | ||
| + | nameserver 217.149.113.30 | ||
| + | nameserver 2620:0:ccc::2 | ||
| + | nameserver 2620:0:ccd::2 | ||
| + | nameserver 2001:4860:4860::8888 | ||
| + | |||
| + | If so, comment out the IPv6 server records and try to verify license again. | ||
| + | |||
| + | nameserver 62.50.161.166 | ||
| + | nameserver 217.149.113.30 | ||
| + | #nameserver 2620:0:ccc::2 | ||
| + | #nameserver 2620:0:ccd::2 | ||
| + | #nameserver 2001:4860:4860::8888 | ||