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Questions tagged [outboundrules]

21 questions
6
votes
5 answers

How to restrict outbound EC2 to only access S3?

I want to restrict the outbound security group from an EC2 instance. The instance only needs to access an S3 bucket. I just learned that S3 uses port HTTPS (443). I could just put that rule in place to allow any connection to any ip as long as it is…
user277526
6
votes
3 answers

EC2 instance is blocking all outbound connections, how to diagnose/fix?

My EC2 instance is blocking all outbound connections. wget http://www.google.com ==> Hangs ping google.com ==>hangs ssh user@anyserver ==>hangs I ran : sudo iptables -F to eliminate all rules to no avail AWS Management console shows Security…
Fraggle
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6
votes
1 answer

Outbound URL Rewrite rule causes 500 server error on IIS7.0

When I added User-friendly URL using IIS URL Rewrite Module 2.0 i got this server error 500. I followed the guide on official MS learn iis page. I noticed when I unchecked following option "Create corresponding outbound rewrite rule" everything…
nemke
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5
votes
1 answer

Can a URL Rewrite condition compare two server variables?

I am trying to compare two server variables as part of a URL rewrite condition. But first, some context... In IIS, if you request http://www.example.com/foo and foo is a directory, IIS sends a 302 "Object moved" redirect to…
MALfunction84
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3
votes
1 answer

How can I Nat certain boxes in my datacenter so that they are coming from a single IP

I want to NAT a certain group of servers in my datacenter so that they all access clients from a single IP. This will make it much easier for documentation that we provide clients. However there will be a large amount of data traveling between the…
ckliborn
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2
votes
1 answer

Specifying a Postfix Instance to send outbound email

I have a CentOS 6.5 server running Postfix 2.6x (the default distribution) with five public IPv4 IPs bound to it. Each IP has DNS and rDNS set separately. Each uses a different hostname at a different domain. I have five Postfix instances, one…
Catherine Jefferson
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2
votes
1 answer

Windows updates behind a physical firewall with only IP based rules and generic outbound connections are turned off

I have some boxes that I do not want to allow any in or outbound traffic to the internet Except for windows updates. However the fire wall in place (Cisco ASA) apparently only supports ip based rules. As best I can tell access to Microsoft updates…
user125245
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2
votes
1 answer

IIS7.5 Outbound Rule for lower case URLs in

I know how to canonicalise the case of URLs on incoming request to IIS7.5, in fact, there's a built in rule template to start from. But how about outbound (without changing the code)? This is where I got to so far:
DDM
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1
vote
0 answers

Outbound rate limiting (with a buffer) per IP

My software has to interact via HTTP requests with several third party services, and these service enforce a rate limiter policy on their side. If I go above the rate limit, my server which is running my software might get banned by IP. Is there a…
ivarec
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1
vote
1 answer

Configure clients to navigate through specific wan. Pfsense

I have a machine with a pfsense running. It is configured with three ethernet cards. LAN 192.168.2.1/21 WAN1 200.41.X.2/24 WAN2 200.41.X.3/24 ISP Gateway 200.41.X.1 This is a connection with 5 different IP addresses. WAN1 and WAN2 are directly…
leandronn
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1
vote
1 answer

Outbound ports for a firewall for webserver and db server

I have an environment where there is one firewall, and there is a secure segment and a DMZ segment behind it. There is a bunch of servers in the secure segment - DB server, the QA server, etc and domain controller. In the DMZ there is 1 web server…
M.R.
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1
vote
1 answer

Outbound email restriction

We have a project to set up around 5,000 plus email IDs for an educational institution. Emails are meant mostly for receiving mails, and the instituition wants to set up some rule that no email id can send more than 10 emails in an hour, and not…
ramdaz
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0
votes
1 answer

iptables egress firewall not working with IPv6

I have a server running Ubuntu 16.04 with an application that only needs outgoing connections for package updates and NTP time syncing. It has a dynamic IPv6 address on a separate network interface for this purpose. All other connections are via the…
TommyPeanuts
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0
votes
1 answer

ibm domino own user anti-spam control

I am investigating a way to control how many emails an authenticated user can send per day: For example, I would like to put a global limit per user to a maximum 1000 emails sent per day. Or a per used rule. This is because the other day a user of…
goberreuter
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0
votes
0 answers

Will enabling Comcast Business Gateway Port triggering lock me out?

Device info: SMC Networks Firmware 3.1.6.56 I am remotely logged into a server and configuring the "Comcast Business Gateway". At the current moment, Within the Firewall >> Port Configuration >> Port Triggering page, it is currently configured to…
Damainman
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