"The obvious way to avoid these attacks is to stop using legacy 64-bit block ciphers. Alternatively, the attack can be mitigated by rekeying the session frequen

"The obvious way to avoid these attacks is to stop using legacy 64-bit block ciphers. Alternatively, the attack can be mitigated by rekeying the session frequently." - https://sweet32.info/ https://sweet32.info/ Although I doubt the older clients even implement rekeying at all...