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Cargo.lock (3050, 2021-11-06)
Cargo.toml (542, 2021-11-06)
LICENSE (35147, 2021-11-06)
src/ (0, 2021-11-06)
src/config.rs (7755, 2021-11-06)
src/main.rs (4751, 2021-11-06)
src/result.rs (721, 2021-11-06)

# rscan    rscan is a free and open-source networking utility written in the Rust programming language to scan for open ports. ## Building To build the binary-ready `rscan`, issue the following command: ```shell cargo build ``` To build the production-ready and optimized version, run: ```shell cargo build --release ``` ## Running To run `rscan` using `cargo`, issue the following command: ```shell cargo run ``` To run `rscan` from your terminal, issue the following command: ```shell ./rscan [FLAGS] [OPTIONS] ``` ### Arguments You can specify the following command-line arguments: | Command | Short | Value | Default | Description | |---------------|-------|------------------|---------|-----------------------------------------------------------------------------------------------------------------| | `threads` | `-c` | Integer value | `1` | Specifies the number of threads to use | | `host` | `-h` | String | `N/A` | Specifies the host (or IP address) that needs to be scanned | | `startport` | `-s` | `0` - `65535` | `0` | Specifies the initial port that needs to be scanned | | `endport` | `-e` | `0` - `65535` | `65535` | Specifies the last port that needs to be scanned | | `timeout` | `-t` | Integer | `250` | Specifies the connection timeout (in milliseconds) before a port is marked as closed | | `noclosed` | `-n` | N/A | `true` | Specifies whether closed ports should be outputted or not | | `unsorted` | `-u` | N/A | `false` | Specifies whether the output should be sorted by port number or not | | `interactive` | `-i` | N/A | `false` | Specifies whether the output should be displayed while scanning or whether to wait until the scan has completed | It is important to note that using more threads does not automatically improve performance. In terms of performance; when you have specified to use more threads than there are ports to scan, `rscan` will automatically lower the amount of threads it uses to be equal to the total amount of ports that need to be scanned. ### Example usage To read the help documentation, you can run: ```shell ./rscan --help ``` If you want to scan only a single port, you could use something like: ```shell ./rscan -h 127.0.0.1 -s 80 -e 80 ``` If no start port is provided, `rscan` will simply start from the smallest port number and will scan until the end port is reached: ```shell ./rscan -h 127.0.0.1 -e 80 ``` Likewise, if no end port is provided, `rscan` will scan from the start port until the largest port number (`65535`): ```shell ./rscan -h 127.0.0.1 -s 65530 ``` To make use of multi-threading, you can specify the number of threads `rscan` should use by modifying the `threads` argument: ```shell ./rscan -h 127.0.0.1 -c 5 ``` ## Dependencies A couple of dependencies are required in order to build `rscan`: * [clap](https://crates.io/crates/clap) ## About This library is maintained by CodeDead. You can find more about us using the following links: * [Website](https://codedead.com) * [Twitter](https://twitter.com/C0DEDEAD) * [Facebook](https://facebook.com/deadlinecodedead) * [Reddit](https://reddit.com/r/CodeDead/) Copyright 2021 CodeDead

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