# RTLOG_UTP_TCP_SYN_FLOOD_LS

## Canonical Reference

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

**Canonical URL:**  
https://apps.juniper.net/syslog-explorer/?msg=RTLOG_UTP_TCP_SYN_FLOOD_LS

## SYSLOG Details
- **Message**: lsys: <variable>logical-system-name</variable> source: <variable>source-address</variable>-<variable>source-port</variable>, destination: <variable>destination-address</variable>-<variable>destination-port</variable>, zone name: <variable>filter-name</variable>, interface name: <variable>interface-name</variable>
- **Help**: Security LOG UTP fake TCP SYN flood with Lsys name
- **Description**: The security LOG UTP faked a TCP SYN flood attack with the name Lsys.
- **Type**: Event: This message reports an event, not an error
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: logical-system-name
source-address
source-port
destination-address
destination-port
filter-name
interface-name
- **Facility**: LOG_USER

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