# [ASP_IDS_SYN_COOKIE_OFF](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF)

## SYSLOG Details
- **Message**: Host <variable>destination-address</variable>, SYN-COOKIE protection deactivated
- **Help**: IDS deactivated SYN cookie protection
- **Description**: Intrusion detection services (IDS) deactivated SYN cookie protection for the indicated destination address. IDS deactivates this protection when it learns from the stateful firewall that the rate of certain events has returned to a level below the threshold set by the 'threshold' statement at the [edit services ids rule &lt;rule-name> term &lt;term-name> then syn-cookie] hierarchy level. The relevant events include the ones reported by the ASP_IDS_TCP_SYN_ATTACK, ASP_SFW_SYN_DEFENSE, and ASP_SFW_TCP_SCAN system log messages.
- **Type**: Event: This message reports an event, not an error
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: destination-address
- **Facility**: LOG_PFE

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=ASP_IDS_SYN_COOKIE_OFF&sw=Junos%20OS&rel=22.2R1)