From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <9front-bounces@9front.inri.net>
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org
X-Spam-Level: 
X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED,
	HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=ham
	autolearn_force=no version=3.4.4
Received: from 9front.inri.net (9front.inri.net [168.235.81.73])
	by inbox.vuxu.org (Postfix) with ESMTP id 7E05F24CB6
	for <ml@inbox.vuxu.org>; Fri, 26 Jul 2024 02:48:53 +0200 (CEST)
Received: from mail.posixcafe.org ([45.76.19.58]) by 9front; Thu Jul 25 20:48:01 -0400 2024
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=posixcafe.org;
	s=20200506; t=1721954829;
	h=from:from:reply-to:subject:subject:date:date:message-id:message-id:
	 to:to:cc:mime-version:mime-version:content-type:content-type:
	 content-transfer-encoding:content-transfer-encoding:
	 in-reply-to:in-reply-to:references:references;
	bh=TqiJaWKcAH84mOXzQnh+7XeK1vmsBcO23OtqDNjAVas=;
	b=TfO9cZByGxk4tPTUoJxbs0EkRrj2zAAVlKo4IOnPJmVXprkZcSRYwjFLJ6ZyDz+pixu0wS
	vcUoeERQpDrUM4E+JIsacezC65bEPNuxcznZ78GN4oXSRzvt5WVQVfP+lcqgj4TmzG4FO+
	aWvDOcsFQrb212N+KhZasq5hsme+lAQ=
Received: from [192.168.168.200] (<unknown> [207.45.82.38])
	by mail.posixcafe.org (OpenSMTPD) with ESMTPSA id a464818b (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO)
	for <9front@9front.org>;
	Thu, 25 Jul 2024 19:47:09 -0500 (CDT)
Message-ID: <1ee284a8-16d2-4b5b-8489-5f9ba3748f29@posixcafe.org>
Date: Thu, 25 Jul 2024 19:47:59 -0500
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
To: 9front@9front.org
References: <15F9DB0E-BED2-41FD-95F0-F04D6F2A3704@stanleylieber.com>
 <D2YYOGC1PWO0.2Q9M2AY9JQHAU@tcp80.org>
 <DD756C4B-0466-4CEC-805A-FD0585311C8C@stanleylieber.com>
Content-Language: en-US
From: Jacob Moody <moody@posixcafe.org>
In-Reply-To: <DD756C4B-0466-4CEC-805A-FD0585311C8C@stanleylieber.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
List-ID: <9front.9front.org>
List-Help: <http://lists.9front.org>
X-Glyph: ➈
X-Bullshit: agile WEB2.0 out-scaling singleton-oriented injection interface 
Subject: Re: [9front] WANTED: ip based filtering of incoming connections
Reply-To: 9front@9front.org
Precedence: bulk

On 7/25/24 19:34, Stanley Lieber wrote:
> On July 25, 2024 6:08:59 PM EDT, "B. Atticus Grobe" <grobe0ba@tcp80.org> wrote:
>> On Thu Jul 25, 2024 at 4:56 PM CDT, Stanley Lieber wrote:
>>> ai crawlers have discovered one of my servers.
>>>
>>> smtpd has the -k flag, which i use to manually block especially egregious spammers, but ip(3) and listen(8) seem to offer nothing generic to bar aggressive customers from entry.
>>>
>>> am i missing something?
>>>
>>> sl
>>
>> see ipmux in ip(3).
>>
>> example: aux/dial 'ipmux!vers=4;src=1.2.3.4' >/dev/null
>> to drop incoming traffic from 1.2.3.4.
> 
> thanks!
> 
> it seems dial(1) dies when backgrounded with &.
> 
> sl

You need to run it in a loop I think, it exits after it catches a connection.