Network Service Error has occurred

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Network Service Error has occurred



Problem:

Error : HTTP/1.1 503 Service Unavailable

2016-06-02 10:15:33,436 INFO  [qtp509886383-1033602:http://127.0.0.1:80/service/soap/AuthRequest] [] misc - Access to IP 10.10.10.3suspended, for repeated failed login.
2016-06-02 10:15:33,437 WARN  [qtp509886383-1033601:https://63.237.45.232:443/zimbra/] [] webclient - system failure: error while proxying request to target server: HTTP/1.1 503 Service Unavailable
com.zimbra.common.service.ServiceException: system failure: error while proxying request to target server: HTTP/1.1 503 Service Unavailable


Solution:

White-list the IPs or if impossible to white-list lots of IP address list then client can disable the DoS filter for the repeated login failure.

su - zimbra
zmprov mcf zimbraInvalidLoginFilterMaxFailedLogin 0
Then restart the mailbox services to reflect the changes :
zmmailboxdctl restart

Sincerely,
Sourabh Bhushan

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