Otherwise the openssl support is basically unused.
net-snmp provides a stripped-down openssl implementation that can be
used to enable tsm/DTLSUDP/TLSTCP but given it's security track record
it's best to rely on the external one, it also saves space.
usm is the user validation module, it's default on, however when passing
--with-security-modules we must keep it otherwise it won't be.
Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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