IMPORTANT NOTICE REGARDING NETWORK ADDRESS CHANGES

FOR CORELOGIC CLAIMS (SYMBILITY) – ACTION REQUIRED

 

As part of our commitment to the highest level of security and performance, CoreLogic will perform a network migration.


Your secure connection to our services will be affected.  Some configuration changes will be required on your part.

 

The following systems will be included in this maintenance:

 

Changes will be done in 2 phases:

1. Phase 1 – Move application firewall on Friday January 27th around 9:00pm EST

2. Phase 2 – Move servers on Saturday February 11th around 1:00am EST

 

Our IP addresses will change.

This has a direct effect on your security settings.

 

Phase 1 – Move application firewall

 

This phase is currently scheduled to happen Friday January 27th around 9:00pm EST.

No downtime is expected and this move is technically simple for us to perform.


What this move entails:


  • The ciphers we support will change: 
    • From (current ciphers):
      • TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
      • TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
      • TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
      • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
      • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
    • To (upcoming ciphers):
      • TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
      • TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
      • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
      • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
      • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
      • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
      • TLS_RSA_WITH_AES_128_GCM_SHA256
      • TLS_RSA_WITH_AES_256_GCM_SHA384
      • TLS_RSA_WITH_AES_128_CBC_SHA256
      • TLS_RSA_WITH_AES_256_CBC_SHA256
      • TLS_RSA_WITH_AES_128_CBC_SHA
      • TLS_RSA_WITH_AES_256_CBC_SHA
      • TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
      • TLS_RSA_WITH_CAMELLIA_128_CBC_SHA


The sites will only work with browsers and systems with SNI support.


How does this affect clients:

  • Clients who whitelist IP addresses their users can access need to make sure the IP ranges listed above are whitelisted
  • Clients who whitelist IP addresses their servers (used for API integration) can access need to make sure the IP ranges listed above are whitelisted
  • Clients with older systems used for API integration need to make sure their older systems support one of the ciphers above
  • Only very old browsers (before IE 11) and OS’s (like Windows XP) don’t support SNI.  Older systems used for API integration may have issues with the SNI requirement


What’s not affected:

  • Our outbound IP address doesn’t change in this phase (it changes in phase 2 below)
  • Our services/servers will remain exactly the same after this change (they change in phase 2 below)
  • The SMTP servers we use to send emails will stay the same, but a migration is planned in a few of months
  • The data export / data dumps SFTP sites used by our customers will stay the same (sftp.symbility.net / no IP address changes), but a migration is planned in a few of months
  • https://staging.symbility.net is not affected



Phase 2 – Server Migration

This phase is scheduled to happen Saturday February 11th around 1:00am EST during our maintenance window.  A downtime of 1 to 2 hours can be expected.


What this move entails:

  • The outbound IP address of our APIs will change from 20.48.135.148 to the following:
    • 35.203.114.224/28
    • 34.130.18.128/28


How does this affect clients:

  • Clients who whitelist IP addresses their servers (used for API integration) can access need to make sure the outbound IP addresses listed above are whitelisted
  • If data export customers whitelist the IP address of the SFTP server (sftp-ca.symbility.net), they will need to make sure that the new SFTP IP addresses listed above are whitelisted
  • The daily data export jobs / data dumps will not be running that weekend and the next files will be generated Monday very early morning



Customer Testing

It is recommended that customers confirm their API integration works properly with the new IP addresses and ciphers.

 

  • Customers with accounts on Staging can start testing this today using https://staging.symbility.net – Staging has been using the latest IP addresses and ciphers for more than a year.





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