squidclamav | dedicated ClamAV antivirus redirector for Squid | Proxy library

by darold Shell Version: v7.1 License: Non-SPDX

X-Ray Key Features Code Snippets(1)Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | squidclamav Summary

squidclamav is a Shell library typically used in Networking, Proxy, Docker applications. squidclamav has no bugs, it has no vulnerabilities and it has low support. However squidclamav has a Non-SPDX License. You can download it from GitHub.

NAME SquidClamav - HTTP Antivirus for Squid based on ClamAv and the ICAP protocol. DESCRIPTION SquidClamav is an antivirus for the Squid proxy based on the ICAP protocol and the awards-winning ClamAv anti-virus toolkit. Using it will help you securing your home or enterprise network web traffic. SquidClamav is the most efficient antivirus tool for HTTP traffic available for free, it is written in C as a c-icap service and can handle several thousands of connections at once. USAGE Generic Program Information SquidClamav is compatible with all Squid v3.x versions that support the ICAP feature allowing "on stream" scanning. squidclamav is built as a c-icap server service and can be controlled through a configuration file. Installing Squid Setting SquidClamav as Squid Icap service I want SquidClamav to be installed as a c-icap service, to be configured as easy as possible and to be compatible with the old configuration file. This means that I voluntary omit some capabilities of c-icap server to preserve a full compatibility with the old squidclamav.conf file.

Support

Quality

Security

License

Reuse

Support

squidclamav has a low active ecosystem.

It has 39 star(s) with 25 fork(s). There are 14 watchers for this library.

It had no major release in the last 12 months.

There are 1 open issues and 36 have been closed. On average issues are closed in 119 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of squidclamav is v7.1

Quality

squidclamav has 0 bugs and 0 code smells.

Security

squidclamav has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

squidclamav code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

squidclamav has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

squidclamav releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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squidclamav Key Features

No Key Features are available at this moment for squidclamav.

squidclamav Examples and Code Snippets

default

Shell

Lines of Code : 594

License : Non-SPDX (NOASSERTION)

Copy

SquidClamav only scan the HTTP stream sent by Squid through the ICAP
server. It doesn't make HTTP requests itself so this is a gain of
performance and ensures that the data scanned is the same as the user
has requested.

Why use c-icap server? This i

Community Discussions

Trending Discussions on Proxy

Does a web request with proxy always require a new connection?

Setting proxies when crawling websites with Python

Trusting individual invalid certs in mitmproxy

Execute SSIS package with Proxy - Could not get proxy data for Proxy_id

How to configure nginx to serve an angular app on / and proxy /api to another api server?

Make reverse TCP connection accept any amount of connections (like a normal TCP server)

Should transparent HTTP proxy remove hop HTTP headers?

Constant Error Trying to Use Proxy to Request IP via httpbin.org

Is it possible to run a javascript proxy that proxy the video's media request on the client side?

Does WebRTC Leak Your Real IP without User Interaction?

QUESTION

Does a web request with proxy always require a new connection?

Asked 2022-Mar-13 at 22:40

This is a question around how a proxy should behave with HTTPS requests. If there are 2 users behind a proxy and both go to https://example.com one after another, can the proxy reuse the existing TCP connection created with example.com earlier for user1.

Both TCP and HTTPS are different protocols, so it doesn't seem like it should affect anything, and in practice it doesn't as well.

Is there something in existing TLS implementations that might not like this kind of behavior of having two different sessions over the same connection? Would this be a bad idea from a security perspective to have the same TCP connection for different users?

...

ANSWER

Answered 2021-Aug-11 at 01:56

You mean if two HTTP clients make requests to a reverse HTTP proxy, could the proxy reuse TCP connections to the HTTP server?

Yes, absolutely. This is called connection pooling and it is common in practice. The proxy opens a pool of persistent connections with each backend endpoint. Then, the proxy queues requests and each request gets sent on an available TCP connection.

From a TLS perspective, if the proxy is an HTTP proxy (L7), clients perform TLS handshakes with the proxy, not the backend web servers and, hence, there's no problem. However, if the proxy operates at L4, TLS termination must occur downstream (TLS pass-through), which poses complication.

My current understanding is that L4 proxies maintain 1:1 connections with backends. Meaning, each incoming connection has a corresponding outgoing connection to a backend, which removes our ability to reuse connections and leverage connection pooling.

For example, NGINX does this:

NGINX maintains a “cache” of keepalive connections – a set of idle keepalive connections to the upstream servers – and when it needs to forward a request to an upstream, it uses an already established keepalive connection from the cache rather than creating a new TCP connection.

Load Balancing with NGINX and NGINX Plus, Part 2

Helpful resources

Introduction to modern network load balancing and proxying, Matt Klein
TLS termination proxy

Source https://stackoverflow.com/questions/68615189

QUESTION

Setting proxies when crawling websites with Python

Asked 2022-Mar-12 at 18:30

I want to set proxies to my crawler. I'm using requests module and Beautiful Soup. I have found a list of API links that provide free proxies with 4 types of protocols.

All proxies with 3/4 protocols work (HTTP, SOCKS4, SOCKS5) except one, and thats proxies with HTTPS protocol. This is my code:

...

ANSWER

Answered 2021-Sep-17 at 16:08

I did some research on the topic and now I'm confused why you want a proxy for HTTPS.

While it is understandable to want a proxy for HTTP, (HTTP is unencrypted) HTTPS is secure.

Could it be possible your proxy is not connecting because you don't need one?

I am not a proxy expert, so I apologize if I'm putting out something completely stupid.

I don't want to leave you completely empty-handed though. If you are looking for complete privacy, I would suggest a VPN. Both Windscribe and RiseUpVPN are free and encrypt all your data on your computer. (The desktop version, not the browser extension.)

While this is not a fully automated process, it is still very effective.

Source https://stackoverflow.com/questions/69064792

QUESTION

Trusting individual invalid certs in mitmproxy

Asked 2022-Mar-02 at 07:37

I use mitmproxy to gather intel from outbound AS2 (HTTP) requests leaving our network. The schema goes like this:

...

ANSWER

Answered 2022-Mar-02 at 07:37

It's been a while since I've tried to solve this using a custom addon and it seems to work fine so I'll share it here:

https://gist.github.com/jsmucr/24cf0859dd7c9bba8eb2817d7b0bf4b6

This approach has a bit of disadvantage and that's the fact that it doesn't check if the peer certificate changes.

Source https://stackoverflow.com/questions/70515761

QUESTION

Execute SSIS package with Proxy - Could not get proxy data for Proxy_id

Asked 2022-Feb-21 at 19:38

I am trying to execute an SSIS package using a Credential and Proxy - it works fine with a user with a SysAdmin role and we want to avoid using SysAdmin.

I have followed all the steps to create a Credential and Proxy and set up the permissions for the user in msdb and SSISDb tables and in the Security -> logins

I have followed the steps in the below links as a guide:-

Proxy -> properties -> Principals

When I run the job I get the below error - looks like a permission issue

Unable to start execution of step 1 (Reason: Could not get proxy data for proxy_id = 198_. The step failed.

What am I missing?

...

ANSWER

Answered 2022-Feb-21 at 19:37

As you mentioned in the comments, you are using an SQL Server login as a proxy account. While in the Microsoft documentation they mentioned that:

SQL Server Agent proxies use credentials to store information about Windows user accounts. The user-specified in the credential must have "Access this computer from the network" permission (SeNetworkLogonRight) on the computer on which SQL Server is running.

I suggest following one of the following articles to set up an SQL Server agent proxy:

Source https://stackoverflow.com/questions/71197909

QUESTION

How to configure nginx to serve an angular app on / and proxy /api to another api server?

Asked 2022-Jan-26 at 13:53

I am trying to configure a nginx Docker container to serve the Angular application on its root path (which works so far) and make the backend via a proxy on /api available.

I've read multiple threads on Stackoverflow and some blogs, but no configuration worked so far. If I call my app on / the Angular app works. When I try to call /api on the same url it gets redirected to / and shows no content -- I guess the Angular router got some route it cannot handle. But Nginx should catch that route before the Angular app gets called. How do I do that?

I am not sure what is wrong. Do you see the error in my config?

...

ANSWER

Answered 2022-Jan-26 at 13:32

I would use the syntax below to let Nginx know this comes before your generic location location /.

Source https://stackoverflow.com/questions/70864008

QUESTION

Make reverse TCP connection accept any amount of connections (like a normal TCP server)

Asked 2022-Jan-11 at 18:24

I'm trying to create a reverse proxy to a CONNECT-based HTTP proxy. The user who wants to use the proxy just treats machine A as an HTTP proxy. It works the following way:

machine B opens a TCP socket to machine A.
On machine A, a TCP socket is exposed on a port and all the incoming data is tunneled to machine B (io.Copy).
On machine B, all the data is tunneled to the local HTTP server and the socket to machine A.

Essentially this is a reverse-proxy behind an HTTP proxy. The reason it's this complex is because the HTTP proxy is behind NAT (on machine B) and therefore not accessible directly. The use case is being able to host an HTTP proxy behind a NAT.

Machine A tunnel (Go):

...

ANSWER

Answered 2022-Jan-10 at 19:54

When you do

Source https://stackoverflow.com/questions/70557765

QUESTION

Should transparent HTTP proxy remove hop HTTP headers?

Asked 2022-Jan-02 at 14:23

I read that HTTP proxy should be removing hop HTTP headers (https://www.freesoft.org/CIE/RFC/2068/143.htm)

It makes sense since some of these headers are connection-related.

The question is. Is this RFC applicable for explicit proxy only or should be it be done on transparent HTTP proxies too?

Just to give you an example. Let say a client does HTTP call and it has an explicit proxy set. However, there is a transparent proxy in the middle. So, the overall pipeline looks like that

...

ANSWER

Answered 2021-Dec-28 at 21:01

Transparent proxies don’t exist.

As far as the HTTP RFC is concerned, there is simply no such thing. The specification does not recognise the concept. A client (A) may connect to a server (C) to fetch or modify a resource, or it may connect to a proxy (B) to have the latter do so on its behalf. In the former case, the hop-by-hop headers regulate the connection between the client and the server; in the latter, they regulate the connection between the client and the proxy. If the proxy connects to the server to serve the request, it has to manage its own hop-by-hop headers for the proxy–server link.

Anything else you add beyond that is simply not a party to the protocol and its presence should not influence how it operates. Whether (A)’s connection to either (B) or (C) (or (B)’s connection to (C)) is mediated by something else is immaterial. All that matters is that when (A) chooses to send a request to (B), it should receive the same resource that it would if it chose to make a request to (C) directly. (B) or (C) don’t even have to be single hosts; they may themselves pass requests though any number of intermediary layers.

For all it matters, the ‘transparent proxy’ may as well be a SOCKS proxy, in which case it will not modify any HTTP headers at all, because it cannot even be sure whether what it forwards is HTTP in the first place.

Source https://stackoverflow.com/questions/70366013

QUESTION

Constant Error Trying to Use Proxy to Request IP via httpbin.org

Asked 2021-Dec-27 at 00:44

I've been looking around trying to find a solution, but nothing has worked. I have this code:

...

ANSWER

Answered 2021-Dec-27 at 00:44

Answer that worked

You need to remove the colon from proxy URL, the redundant one is before the user.

Another possibility (first answer)

I'm virtually sure that all problem is you've reached the limit of requests and the vendor forbids you to send more. You can test it with curl:

Source https://stackoverflow.com/questions/70490709

QUESTION

Is it possible to run a javascript proxy that proxy the video's media request on the client side?

Asked 2021-Dec-20 at 01:07

I have video files hosted on the CDN, the video file is encrypted. So I need the decrypt it before play it in the browser. But the web video tag has no interface to modify the media stream.

So I want to run a proxy in the client side with javascript to proxy the media stream request, and decrypt the stream before feet to the video tag.

Is it possible?

By math-chen's answer, I have tryed below code, but when I paly it, the video keep spin and not render the frame like below image.

I use a very small unencrypted video file out.mp4, so it can be loaded by once.

...

ANSWER

Answered 2021-Dec-17 at 09:29

it does not need a proxy

Source https://stackoverflow.com/questions/70390112

QUESTION

Does WebRTC Leak Your Real IP without User Interaction?

Asked 2021-Nov-16 at 18:59

It has been discussed many times on Stackoverflow that by default WebRTC technology leaks your real IP even if your using a proxy to browse the web. What I haven't seen discussed is whether this requires the end user to click a button to enable this kind of leak or whether the leak occurs regardless of any action taken by the user.

For example, when you go to Express VPN they require you press a button to test for WebRTC leak. My question is - is this done for privacy reasons or somehow the button activates WebRTC tech so it can leak your IP?

In other words, assuming you never need to use WebRTC tech (just browser a blog or eCommerce shop) and all you do is click a few links - can a website still detect your real IP through WebRTC?

Thanks

...

ANSWER

Answered 2021-Nov-16 at 18:59

Yes, a browser can detect your public IP address using WebRTC.

No, the leak is not reliant on your button interaction.

Recently, I found an unpatched github repo webrtc-ip, which can leak a user's public IP address using WebRTC. This is powerful because you cannot trace it, as nothing is shown in the Networks tab.

Sadly, this leak does not work for private IPs, due to the gradual shift to mDNS (at least for WebRTC), which is described completely in this great blog. Anyways,a here's a working demo:

https://webrtc-ip.herokuapp.com/

I am not sure if this leaks your true IP address even if you are using a proxy, but feel free to test it out.

Source https://stackoverflow.com/questions/69968104

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install squidclamav

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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