# echo-server

Network service that send messages back to client. Used in network testing.

## Install

```shell
pip install echo-server
```

### Installed Commands

- echo-server

### Usage

```shell
C:\Users\test>echo-server --help
Usage: echo-server [OPTIONS] [PORT]...

  Start echo server on given ports. Press CTRL+C to stop. The default
  listenning port is 3682. You can listen on many ports at the same time.

  Example:

  echo-server 8001 8002 8003

Options:
  -i, --ignore-failed-ports
  -b, --binding TEXT         Default to 0.0.0.0.
  --help                     Show this message and exit.

```


## Releases

### v0.2.0 2020/09/03

- Add parameter binding, so that we can set the binding ip address.

### v0.1.3 2020/03/27

- Add ignore_failed_ports option.

### v0.1.2 2020/03/27

- Fix data print problem.

### v0.1.1 2020/03/27

- Fix port str typed problem.

### v0.1.0 2020/03/27

- First release

Network service that send messages back to client. Used in network testing. 

Socket Acquires Coana to Bring Reachability Analysis to Every Appsec Team

echo-server

Network service that send messages back to client. Used in network testing.

zencore

(Experimental) An ambiguous license classifier was found.

What is an ambiguous license classifier?

Ambiguous License Classifier

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Bad text encoding

Package version is not a valid semantic version (semver).

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Bad semver

Package has dependencies with an invalid semantic version. This could be a sign of beta, low quality, or unmaintained dependencies.

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Bad dependency semver

Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

What are bidirectional unicode control characters?

Bidirectional unicode control characters

This package has multiple bin scripts with the same name. This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack.

What is bin script confusion?

Bin script confusion

Semantic versions published out of chronological order.

What is a chronological version anomaly?

Chronological version anomaly

Project maintainer's SSH key has been compromised.

What is a compromised SSH key?

Compromised SSH key

(Experimental) Copyleft license information was found.

What do I need to know about license files?

Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

What is a critical CVE?

Title

Critical CVE

Contains a high severity Common Vulnerability and Exposure (CVE).

What is a CVE?

High CVE

Uses debug, reflection and dynamic code execution features.

What is debug access?

Debug access

The maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.

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Deprecated

(Experimental) Contains a known deprecated SPDX license exception.

What is a deprecated SPDX exception?

Deprecated SPDX exception

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Deprecated license

Package name is similar to other popular packages and may not be the package you want.

What is a typosquat?

Possible typosquat attack

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Dynamic require

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Empty package

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Environment variable access

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Name

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File dependency

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Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

What are wildcard dependencies?

Wildcard dependency

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What are git dependencies?

Git dependency

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What are GitHub dependencies?

GitHub dependency

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What is an AI-detected potential code anomaly?

AI-detected potential code anomaly

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AI-detected possible typosquat

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AI-detected potential malware

AI has determined that this package may contain potential security issues or vulnerabilities.

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AI-detected potential security risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

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Native code

Contains high entropy strings. This could be a sign of encrypted data, leaked secrets or obfuscated code.

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High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

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Unicode homoglyphs

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HTTP dependency

Install scripts are run when the package is installed. The majority of malware in npm is hidden in install scripts.

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Install scripts

Package has an invalid manifest file and can cause installation problems if you try to use it.

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Invalid manifest file

Source files contain invisible characters. This could indicate source obfuscation or a supply chain attack.

What are invisible characters?

Invisible chars

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License change

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This package is not allowed per your license policy. Review the package's license to ensure compliance.

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License Policy Violation

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What's wrong with long strings?

Long strings

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

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Major refactor

This package is malware. We have asked the package registry to remove it.

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Known malware

This package has inconsistent metadata. This could be malicious or caused by an error when publishing the package.

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Manifest confusion

Contains a medium severity Common Vulnerability and Exposure (CVE).

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Medium CVE

Contains a low severity Common Vulnerability and Exposure (CVE).

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Low CVE

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

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Minified code

(Experimental) A package's licensing information has fine-grained problems.

Misc. License Issues

The package was published by an npm account that no longer exists.

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Non-existent author

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Missing dependency

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Missing license

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Modified license exception

(Experimental) Package contains a modified version of an SPDX license. Please read carefully before using this code.

What is a modified license?

Modified license

What is network access?

Network access

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

What is new author?

New author

Package does not specify a list of contributors or an author in package.json.

Why is contributor and author data important?

No contributors or author data

Package does not have a linked bug tracker in package.json.

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No bug tracker

(Experimental) License information could not be found.

No License Found

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Why are missing repositories important?

No repository

Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

What does no tests mean?

No tests

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

echo-server

echo-server

Install

Installed Commands

Usage

Releases

v0.2.0 2020/09/03

v0.1.3 2020/03/27

v0.1.2 2020/03/27

v0.1.1 2020/03/27

v0.1.0 2020/03/27

Keywords

Related posts

echo-server

echo-server

Install

Installed Commands

Usage

Releases

v0.2.0 2020/09/03

v0.1.3 2020/03/27

v0.1.2 2020/03/27

v0.1.1 2020/03/27

v0.1.0 2020/03/27

Keywords

Related posts

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