Questions tagged [limitations]

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Hard Limit of The Number of AWS RDS Instance

As I checked in this document > https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Limits.html#:~:text=DB%20instances,the%20current%20Region it shows the default limitation(Soft-Limit) as ...
1 vote
0 answers
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limit bandwidth per IP Linux ubuntu openVPN

I am a newmember in config ubuntu server and I installed an OpenVPN on a ubuntu 18.04 linux server, now I want to limit the server bandwidth with 2Mbit per IP for users that connect to the OpenVPN, ...
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-1 votes
1 answer
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Setup local network to bypass device limit and other annoyances [closed]

I've prepared a little illustration to visualize my current situation: I have no admin access to the router which provides the internet access (I can't change any of its settings) Every time I ...
0 votes
1 answer
182 views

Nginx: Limiting number of connections for all content types with exceptions

I'm limiting number of simultaneous connections from one $remote_user to n using conn_limit It works like a charm. However, I will be thrilled to find a way to add exceptions to this. I want user to ...
0 votes
1 answer
1k views

Nginx: restrict number of connections per basic auth user

Got nginx serving several big files. Users get access through basic authentication. htpasswd I want to curtail simultaneous download of files to 5 connections max PER USER. There are more than 1 user ...
2 votes
2 answers
4k views

Windows Server 2019 Standard Edition Licensing for Virtual Machine on Hyper-V [duplicate]

I have windows server 2019 standard edition installed on my host machine and with 2 additional Windows server 2019 on Hyper-V virtual environment. Now I want to install 2 more windows 10 client VMs (...
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3 votes
1 answer
2k views

Azure Application Gateway limitations - wildcard SSL cert

We have ~60 client apps, each with its own subdomain URL in a common domain, i.e. client1.domainname.com, client2.domainname.com... - all covered by a single wildcard SSL cert *.domainname.com. ...
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3 votes
0 answers
3k views

How does the CPU limitation on Windows Server 2012 R2 Foundation work?

I'am little bit confused about the CPU limitation of Windows Server 2012 R2 Foundation. The Server is installed on a HP proliant DL380 Gen9 with 2x 6-core CPUs, with the HP provisioning Tool I do ...
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18 votes
3 answers
130k views

Understanding the VMware ESXi limitations of the free Version

I am running an ESXi Vsphere Client Version 6.0.0 but with all the different documentation and changes I have trouble to understand my limitations. From the official documentation I see that my limit ...
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1 vote
0 answers
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Email validation fails on HELO / RCPT TO commands to records

I'm migrating a mailing service from a server to another. Before setting up new mailing list I wanted to process it through an email validtor I've setting up on the server. I basically used this tool ...
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0 votes
1 answer
399 views

Limit CPU / Mem usage for certain processes? [closed]

I have installed maldet for malwere detection and it runs daily via a CRON task. In my server usage I see every night a peek usage of CPU which goes up to nearly 100% CPU usage. Is there a way to ...
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SFTP, limit download data for specific user

I was wondering if a root user can create another user with a specified limit of data to download from server (i.e.: from Filezilla). Server is Debian 7
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-2 votes
1 answer
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where can I learn the limitations of /LEV:n option of Robocopy command

Hey I am moving a file server to another datacenter. I use robocopy but I don't know the limits of the /LEV:nutility. Is this "n" can be 100 or something for some crazy admins? I searched but I didn't ...
-1 votes
1 answer
4k views

Set udp packet size limit

I have a CentOS server with a JAVA application that receive UDP data packets, it works all OK until the packet is bigger than 584 bytes, I read something about and seems to be a limit of UDP protocol. ...
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-1 votes
2 answers
118 views

Is possible for a vps service with own ip addresses to have ports restricted? [closed]

I am looking for a cheap vps service, and i found some, but the most appellative i found for what i need ("fileMedia") has a really bad translation on its page and there is something which is leaving ...
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-1 votes
1 answer
59 views

Win 2003 Shared Folder

We have shared one folder on win2003 server and allowed everyone to access it but only 8-9 users are allowed to map drive the shared folder. The next is connected once I disconnect the one of the ...
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1 vote
2 answers
1k views

Server HDD size limits

When specs for servers such as the Dell PowerEdge 850 mention a max HDD size of 250GB (for SATA) is this an actual hardware limit or was it just the max size available at the time?
4 votes
2 answers
6k views

Prevent large file upload with nginx

I'm serving my website using Nginx as web server. I offer upload functionality to my users (they are allowed to submit pictures up to 5Mb) so I have the directive: client_max_body_size 5M; in my ...
2 votes
2 answers
1k views

What can lead to a zone memory exhaustion and how Nginx reacts to it?

What is a possible scenario for exhausting the memory designated to a connection zone with limit_conn_zone directive and what are the implication in this case? Suppose I have this in my configuration:...
8 votes
3 answers
15k views

Windows DFS Limitations

So far I have seen an article on performance and scalability mainly focusing on how long it takes to add new links. But is there any information about limitations regarding number of files, number of ...
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2 votes
1 answer
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Is the airport extreme's 50 user limit the same in multiple access point configurations?

Im currently evaluating options for extending our Church's wireless connectivity. We're also installing a Win 2k8 Domain Controller, DHCP and DNS server. We need wireless access points that work ...
1 vote
3 answers
4k views

Does Windows Server 2008 R2 Standard only support 1 connected remote administrator?

I can't seem to be able to have multiple administrators connect to Windows Server 2008 R2 Standard. Each time a different administrator logs in, it takes the current session away from the user and ...
-1 votes
1 answer
257 views

KVM instances limitation

I got a high spec server. (128G memory, 1.2T harddisk and 12-core cpu x 2 ) I would like to know how many KVM instances can work on one server. For example, If 200 instances work on one server, one ...
7 votes
4 answers
16k views

Maximum Number of Hosts per Network

I recall reading this in some (I think) Cisco documentation years ago, but can't find it or any other reference to this recommendation. Anyone know what I'm talking about? Anyone still follow these ...
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1 vote
1 answer
241 views

SQL Server 2008R2 Standard or Web Edition for heavy IIS usage

Currently our client is running Microsoft SQL Server 2008 Express Edition and had hit the 4GB capped. We need to provide a solution to them and I notice there are two option(as topic) for them now. ...
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9 votes
2 answers
46k views

Windows Server 2008 R2 max open files limit

Does Windows Server 2008 R2 have similar limitations to maximum number of opened files like linux have?
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2 answers
98 views

Maximum Running VM's in Virtual PC 2007

I'm trying to find out what is the maximum number of virtual machines I can run at the same time in Virtual PC 2007 but I can't seem to find this information on the Microsoft website. Does anyone know?...
4 votes
3 answers
3k views

What's the largest message size modern email systems generally support?

I know that Yahoo and Google mail support 25MB email attachments. I have an idea from somewhere that 10MB email messages are generally supported by modern email systems. So if I'm sending an email ...
0 votes
2 answers
5k views

Windows Server 2008 network limitations?

Please tell me: Are there some limitations on connection/socket/http in Windows Server 2008 R2 editions family? For example i am pretty sure that some of servers will have 100+ connections (by ...
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1 vote
4 answers
2k views

network limited to 10mbps

Just got a new 50 megabit pipe into the company. When connecting a laptop directly to the connection, I can get 50 megabits by doing a bandwidth test. Under normal conditions, our connection is ...
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2 answers
495 views

Windows Server Foundation for single purpose application

I have a single application/service that I need to run on Windows. It will serve as a public application, kind of like a webserver (users connect to it using a browser), and needs to server up to ...
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0 votes
1 answer
4k views

Is there some limit on a size of a file when force-downloading it with PHP on Apache?…

Trying to force-download file with PHP using usual: header("Content-type: $type" ); header("Content-Disposition: attachment; filename=$name"); header('Content-Length: ' . filesize($path)); And it ...
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2 votes
1 answer
174 views

What kinds of server roles can't you run on a Linux (or other OSOS) cluster?

I've been thinking of trying out some freeware cluster software. IIUC two of the main things we use servers for, Apache and PostgreSQL, can be set up to run redundantly on clusters by load-balancing ...
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2 votes
1 answer
425 views

Can I predict the maximum writes per minute to a disk/RAID array

I've a database running on a windows server I'm monitoring with Hyperic. I see the writes per minute ramping up during the day as we approach our peak load. The peaks are increasing gradually over ...
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4 votes
5 answers
4k views

Max total files in a directory in FreeBSD 6 ufs?

Is there an upper limit to the total number of files stored in a single subdirectory in FreeBSD 6? The filesystem is ufs
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1 vote
1 answer
1k views

IIS7 theoretical limits

I am looking for information on some of the limits (hard-coded or theoretical) for IIS7 and NLB for website hosting. I have looked around but haven't found anything concrete yet. On a basic, single ...
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3 votes
5 answers
3k views

rsync of >4GB files

silly one, do you have any problems with rsync'ing large [ >4GB ] files under modern linux? [ 32bit, 64bit, large file support turned on ]? i've done some tests on my own between 2 64bit boxes and ...
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3 votes
9 answers
3k views

Storing files in a directory... are there limits?

I am using CentOS 5 with Plesk 9 (64-bit), I am running a site where users will be uploading pictures. With a 64 bit os, are there any limits to how many files I can store? All I care about is ...
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2 votes
4 answers
13k views

Is there any limit on subfolders within folder

Hi All, I want to know is there any limit on subfolders within folder in Linux and windows? can any one provide information on how many subfolders can be created in one folder? Thanks in advance ...