synproxy

package

v1.37.0 Latest Latest Go to latest Published: Dec 8, 2025 License: MIT Imports: 11 Imported by: 1

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/influxdata/telegraf

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README ¶

Synproxy Input Plugin

This plugin gathers metrics about the Linux netfilter's synproxy module used for mitigating SYN attacks.

⭐ Telegraf v1.13.0 🏷️ network 💻 linux

Global configuration options

Plugins support additional global and plugin configuration settings for tasks such as modifying metrics, tags, and fields, creating aliases, and configuring plugin ordering. See CONFIGURATION.md for more details.

Configuration

# Get synproxy counter statistics from procfs
# This plugin ONLY supports Linux
[[inputs.synproxy]]
  # no configuration

Troubleshooting

Execute the following CLI command in Linux to test the synproxy counters:

cat /proc/net/stat/synproxy

Metrics

The following synproxy counters are gathered

synproxy
- fields:
  - cookie_invalid (uint32, packets, counter) - Invalid cookies
  - cookie_retrans (uint32, packets, counter) - Cookies retransmitted
  - cookie_valid (uint32, packets, counter) - Valid cookies
  - entries (uint32, packets, counter) - Entries
  - syn_received (uint32, packets, counter) - SYN received
  - conn_reopened (uint32, packets, counter) - Connections reopened

Example Output

This section shows example output in Line Protocol format.

synproxy,host=Filter-GW01,rack=filter-node1 conn_reopened=0i,cookie_invalid=235i,cookie_retrans=0i,cookie_valid=8814i,entries=0i,syn_received=8742i 1549550634000000000

Documentation ¶

Rendered for

Index ¶

type Synproxy
- func (s *Synproxy) Gather(acc telegraf.Accumulator) error
- func (*Synproxy) SampleConfig() string

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Synproxy ¶

type Synproxy struct {
	Log telegraf.Logger `toml:"-"`
	// contains filtered or unexported fields
}

func (*Synproxy) Gather ¶

func (s *Synproxy) Gather(acc telegraf.Accumulator) error

func (*Synproxy) SampleConfig ¶

func (*Synproxy) SampleConfig() string

Source Files ¶

View all Source files

synproxy.go

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