Engine Editor > Advanced Settings > SYN Rate Limits
Use this branch to change global SYN rate limits. SYN rate limits reduce the risk of SYN flood attacks.
Option | Definition |
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SYN Rate Limits | Limits for SYN packets sent to the Secure SD-WAN Engine.
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Allowed SYNs per Second | (When SYN Rate Limits is Custom) The number of allowed SYN packets per second. |
Burst Size | (When SYN Rate Limits is Custom) The number of allowed SYNs before the Secure SD-WAN Engine starts limiting the SYN rate.CAUTION: We recommend setting the Burst Size value to
at least one tenth of the Allowed SYNs per Second value. If the burst size is too small, SYN rate limits do not work. For example, if the value
for Allowed SYNs per Second is 10000, the Burst Size value must be at least 1000.
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