Questions tagged [outboundrules]
The outboundrules tag has no usage guidance.
22
questions
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how to block outgoing traffic in ec2 without blocking ssh
I have an EC2 with has public subnet and traffic is flowing through internet gateway.
Now, i have an requirement like I have to block all outgoing traffic in EC2.
I have tried to restrict the traffic ...
0
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0
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74
views
Is it possible to establish outbound traffic without a default gateway entry in main routing table
I have default gateway added in a specific routing table for eth0 interface in /etc/iproute2/rt_tables ,the table name being eth0-rt. However the outbound traffic is not working from the box. The ...
0
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2
answers
1k
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Outbound proxy using multiple public IP addresses on EC2
We have a bunch of backend servers in the form of EC2 instances based in a private subnet in AWS VPC that need to talk to a 3rd party API. This API is limiting the requests we can send based on the ...
- 613
1
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1
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76
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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 ...
- 685
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370
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cannot connect to another email server to send email
My GCP server is running OK for more than 500 days, but after reboot, my server cannot connect to another smtp server to send out emails.
[root@instance-02 ]# !1010
tail -1000 /var/log/exim/mainlog|...
google-cloud-platform
0
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1
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368
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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 ...
- 531
1
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0
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199
views
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 ...
- 151
0
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1
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196
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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 ...
0
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0
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90
views
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 >> ...
- 1,055
0
votes
3
answers
8k
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Can the firewall prevent the DHCP to give an address, how to fix this?
I am not getting an IP in the subnet 10.0.0.0/24 where the DHCP is working and should serve an IP, I am getting instead only an IP in the subnet 169.254.0.0/16(link local address) that is probably ...
7
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5
answers
12k
views
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 ...
user277526
2
votes
1
answer
11k
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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 ...
- 31
2
votes
1
answer
3k
views
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 ...
1
vote
1
answer
515
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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 ...
- 143
5
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1
answer
3k
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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 "...
- 161