Changes between Version 84 and Version 85 of DeprecatedOptions


Ignore:
Timestamp:
03/27/24 13:08:24 (5 weeks ago)
Author:
flichtenheld
Comment:

Change "Removal of insecure ciphers" as discussed in Community meeting 2024-03-27

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  • DeprecatedOptions

    v84 v85  
    101101
    102102
    103 == Policy: Removal of insecure ciphers || **Status: Pending removal** ==
     103== Policy: Removal of insecure ciphers || **Status: To be decided** ==
    104104Ciphers with cipher block-size less than 128 bits; Most commonly `BF`, `DES`, `CAST5`, `IDEA` and `RC2`.
    105105||=Status =||Pending removal ||
    106106||=Deprecated in: =||OpenVPN v2.4 ||
    107 ||=To be removed in: =||'''OpenVPN v2.7''' ||
     107||=To be removed in: =|| TBD ||
    108108||=Affects: =||Client and server ||
    109109||=Result if used: =||OpenVPN will not start due to incorrect cipher being used||
     
    111111||=Examples: =||(N/A) ||
    112112After the discovery of the [https://sweet32.info SWEET32 Birthday attacks on 64-bit block ciphers] any cipher using a cipher block length smaller than 128 bits is considered insecure and prone to be successfully attacked.  The cipher block length is '''''not''''' an indication of the cipher ''key'' length.
     113
     114For now we will not officially remove them and focus on educating users. Maybe at some point the SSL libraries will start dropping them.
    113115
    114116== Policy: Migrate away from deprecated ciphers. **Status: In progress** ==