Prefer SOCK_DGRAM #317
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Prefer SOCK_DGRAM #317
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ping(8) from iputils-20240117 prefers SOCK_DGRAM instead of SOCK_RAW, which has a bonus of using kernel-assigned Identification. Apart from unprivileged operations, this also avoids collisions caused by user-assigned Identification on busy monitoring hosts (see also: birthday paradox). So let's try SOCK_DGRAM first, and only if that fails, fall back to SOCK_RAW.
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It seems as if |
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ping(8) from iputils-20240117 prefers SOCK_DGRAM instead of SOCK_RAW, which has a bonus of using kernel-assigned Identification. Apart from unprivileged operations, this also avoids collisions caused by user-assigned Identification on busy monitoring hosts (see also: birthday paradox).
So let's try SOCK_DGRAM first, and only if that fails, fall back to SOCK_RAW.