Network Service Error has occurred: Difference between revisions

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=== <h1> Network Service Error has occurred</h1> ===
{{BC|Certified}}
<hr>
__FORCETOC__
<div class="col-md-12 ibox-content">
=Network Service Error has occurred due to suspended IP addresses=
{{KB|{{ZC}}|{{ZCS 8.8}}|{{ZCS 8.7}}|{{ZCS 8.6}}|}}


====Problem====
The webclient shows "HTTP/1.1 503 Service Unavailable", and the /opt/zimbra/log/mailbox.log file has the following error:
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 IP addresses:
su - zimbra
zmprov mcf +zimbraHttpThrottleSafeIPs 10.1.2.3/32
zmprov mcf +zimbraHttpThrottleSafeIPs 192.168.4.0/24


  <h2>Problem: </h2>
If whitelisting isn't possible, disable the DoS filter for the repeated login failure:
'''Error''' : HTTP/1.1 503 Service Unavailable
  su - zimbra
  zmprov mcf zimbraInvalidLoginFilterMaxFailedLogin 0


<pre>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.
Then restart the mailbox services to reflect the changes:  
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
  zmmailboxdctl restart
com.zimbra.common.service.ServiceException: system failure: error while proxying request to target server: HTTP/1.1 503 Service Unavailable</pre>




<h2>Solution:</h2>
Submitted by: Sourabh Bhushan
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.
{{Article Footer|ZCS 8.8, 8.7|2018-08-08}}
 
[[Category:Troubleshooting MTA]]
<pre>su - zimbra
zmprov mcf zimbraInvalidLoginFilterMaxFailedLogin 0</pre>
Then restart the mailbox services to reflect the changes : <pre>zmmailboxdctl restart</pre>
 
Sincerely,<br>
Sourabh Bhushan

Latest revision as of 13:48, 15 May 2018

  1. Zimbra Tech Center
  2. Certified
  3. Network Service Error has occurred

Network Service Error has occurred due to suspended IP addresses

   KB 23283        Last updated on 2018-05-15  




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Problem

The webclient shows "HTTP/1.1 503 Service Unavailable", and the /opt/zimbra/log/mailbox.log file has the following error: 

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 IP addresses: 

su - zimbra
zmprov mcf +zimbraHttpThrottleSafeIPs 10.1.2.3/32
zmprov mcf +zimbraHttpThrottleSafeIPs 192.168.4.0/24

If whitelisting isn't possible, 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


Submitted by: Sourabh Bhushan

Verified Against: ZCS 8.8, 8.7 Date Created: 2018-08-08
Article ID: https://wiki.zimbra.com/index.php?title=Network_Service_Error_has_occurred Date Modified: 2018-05-15



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