Debian :: USB Ports Don't Wake Up - Have To Close And Open Lid Of LT

Oct 20, 2015

I have installed Debian Jessie (<-- brilliant OS ) on my uncles Laptop (it is a Thinkpad E540) with Cinnamon as desktop environment. The installation was no problem. Everything apart from one minor thing works nicely. The minor thing however is the following:

I don't know what it is, but when I don't use a particular usb port for a while and then try to plug in a usb stick or a wacom tablet, it doesn't get recognized, it doesn't show up when I use f.e. Code: Select alllsusb. When I close the lid of the laptop and open it again, then the particular usb device gets recognized and cinnamon asks me what to do, f.e. open a folder and show the content of the usb stick I have plugged in. Because of the success on two other laptops I use the following

Code: Select all# /etc/systemd/system/powertop.service
[Unit]
Description=Powertop tunings

[Service]
Type=oneshot
RemainAfterExit=no
ExecStart=/usr/sbin/powertop --auto-tune
Environment="TERM=xterm"

[Install]
WantedBy=multi-user.target

to save power on the Thinkpad (this is in no way my service script, I tuned everything using powertop in the terminal after having had logged in, the script above stems from a brilliant user here on the forum). Could it therefore be autosuspend that is not working properly here?

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Debian :: Two Ports Open On New Install - Can Safely Close Port 111

Jan 17, 2016

I scanned my newly installed Debian 8 and found that i have two ports open.

22 for ssh which i want
111 can i safely close port 111 and how?

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May 8, 2010

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Apr 11, 2011

I was port scanning my computer and i found some open ports. How would i close these ports so they cannot be remote accessed?

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Feb 2, 2010

Just did a check on "shields up" and it says that ten of my ports are open. I get the same result with or without both shorewall and firestarter. I suspect it may have something to do with the mysql server packages added automatically during installation. Am I right. If so, what can be done about it? If not, has anyone any idea how to keep my ports closed?

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May 17, 2010

at a particular spot on your screen on Debian Lenny xfce4 64 bit?

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Debian Configuration :: Firewall Up But Ports Still Open

Sep 9, 2011

I have just switched over from firestart to gufw.I have set all incoming traffic to deny and all outgoing traffic to allow.I have rules set for incoming traffic, and have only opened 1 port on my system for torrents. My router also only has the same port opened which again is for torrents.I use "Network Tools" which is included on squeeze and do a portscan of 192.168.1.100 and 127.0.0.1 I get all kinds of crazy ports coming back as opened. What is even stranger is if I do a few scans, these ports change, so one port on one scan may come up as open, then it will disappear and a different port may show as open.

Mind you none but the torrent port is forwarded in my router, I have no idea what any of these other ports are, or why they are even showing up.What the heck is going on? I dont think this is normal? Am I at any higher risk for attack?

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Debian Configuration :: Open Read And Close USB Medium

Nov 2, 2015

Where is now, in new Debian systems, the internal text file where the

adequate medium (live systems recognize a medium /dev/sdb1 if I connect my phone tablet)

has to be present if used?

Is a special procedure to be use to mount, open, read, close and unmount them properly?

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Debian Configuration :: How To Open Ports On Debian?

Jul 19, 2010

I am trying to use thunderbird to connect to gmail. followed the instructions on the gmail help section to set up thunderbird and opened ports 995 for pop and 465 smtp on my router. When that did not work I posted on the thunderbird forum. It was decided there I had a problem with debian since both the thunderbird and router settings were right. doing more research I used nmap and netstat to check for open ports and it seems to me I only have tcp 80 and udp 138 open. downloaded firestarter hoping to solve the problem but in the events section it does not show thunderbird trying to connect to any port. Is this a case of not understanding what I am looking for here. Is there some way to open all ports on debian and then using firestarter to block the traffic I do not want.

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Dec 8, 2009

have tried to close ports 443,80,22 & 23 without success.Does anybody have any idea how to do this. I close them in a terminal and their still opened. I closed them in services and their still open what am I not doing right?

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Ubuntu :: Close All Ports Except Port 80 - Secure HTML And Webmail

May 17, 2010

I downloaded IPKungFu which is supposed to do this for me, except it did not according to a penetration site. configure IPKungFu perfectly. I did look at this site. IPKungFu easy iptables based server firewall - zarzax the blog I downloaded IPKungFu which is supposed to do this for me, except it did not according to a penetration site. Help me configure IPKungFu perfectly. I did look at this site. IPKungFu easy iptables based server firewall - zarzax the blog

Results

rv @rv-laptop:~$ sudo ipkungfu
Checking integrity: ..PASSED
Checking MD5 Hash of config files:OK

[code]....

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Feb 7, 2010

I'm trying to setup oracle10g but, whenever I try to go to my database homepage http://127.0.0.1:8080/apex I get an "unable to connect to" error. Only reason I can think of as to why I can't connect to it is because my ports aren't open. I also recall SELinux complaining about something awhile ago, I can't seem to bring that up any more for some reason.

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Ubuntu :: Resolution Changes When Close / Open Lid?

Aug 7, 2010

I'm having some strange issues with my HP Probook. The resolution changes (lower) after I close and open the lid again. Only a restart will fix this problem. Sometimes happens even when I normally turn the computer on, only a restart will fix it...

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Fedora Servers :: F11 - Cannot Open Ports 53 And 25

Mar 28, 2010

I've been struggling for days trying to open port 53 and 25 but can't get it to work. My iptables at /etc/sysconfig contains the following:
# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0] .....

On the server machine when I do port scan with nmap I see the following result:
Starting Nmap 4.76 [URL] at 2010-03-28 01:03 CET
Warning: Hostname localhost resolves to 2 IPs. Using 127.0.0.1.
Interesting ports on localhost (127.0.0.1):
Not shown: 986 closed ports .....

But when I try to do telnet from an external machine, e.g:
telnet <IP of host> 53
I get:
Connection refused
telnet: Unable to connect to remote host

I also did a port scan with a tool on an external machine but port 53 and 25 weren't listed as opened ports. Also CheckDNS.net on the server returns "Connection reset. Probably DNS server is offline". I am 100% sure that named and sendmail are running. When I do a ps -aux I see:
named 9261 0.0 0.3 85528 14784 ? Ssl 00:46 0:00 /usr/sbin/named -u named
root 2550 0.0 0.0 9536 1960 ? Ss Mar23 0:02 sendmail: accepting connections

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Apr 6, 2010

A few months ago I installed Ubuntu 9.10 on my girlfriends laptop, on her request, as she didn't like Windows any more. Since then the internet connection periodically slows down due to too many open ports/connections. Always when this happens I call our ISP and usually there are around 80-200(!) active connections to various IP's.

She is not downloading torrents or anything.
She only uses Firefox and a few open tabs as people do.
Skype is open.
Wireless internet connection.

I am thinking either Ubuntu is updating more or less constantly or the ports/connections aren't closed "after use".

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Ubuntu Security :: What Ports Are Open And Why

Jul 27, 2010

I'm locking down my laptop. I know I can use a firewall to ensure nothing gets through that I didn't catch, and I certainly plan on using one, but in the meantime, I want to know what exactly is running on my system.

nmap localhost returns:
Code:
james@james-linux:~$ nmap localhost
Starting Nmap 5.00 ( http://nmap.org ) at 2010-07-26 23:33 CDT
Warning: Hostname localhost resolves to 2 IPs. Using 127.0.0.1.
Interesting ports on localhost (127.0.0.1):
Not shown: 994 closed ports
PORT STATE SERVICE
25/tcp open smtp
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
631/tcp open ipp
2049/tcp open nfs
Nmap done: 1 IP address (1 host up) scanned in 0.18 seconds

However, I know that localhost goes back to the loopback interface, 127.0.0.1. So, to see what was really open, I ran nmap 192.168.0.108, which is my laptop's IP at the moment.

Code:
james@james-linux:~$ nmap 192.168.0.108
Starting Nmap 5.00 ( http://nmap.org ) at 2010-07-26 23:33 CDT
Interesting ports on 192.168.0.108:
Not shown: 996 closed ports
PORT STATE SERVICE
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
2049/tcp open nfs
Nmap done: 1 IP address (1 host up) scanned in 0.14 seconds

Now if I understand correctly, I can attribute 139 and 445 to my Samba share. That I'm okay with. What I don't know is 111 and 2049. Does anyone know what these ports are, what's running on them, and how I could turn them off, supposing that they are a security risk?

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Mar 18, 2011

I'm getting heat from the head networking office that ports 21, 110, and 143 are open. I can telnet to those ports from a remote machine (not localhost) and get a prompt. There does not seem to be anything listening on those ports according to netstat. I've tried using iptables to discard all traffic to a from those ports but I can still telnet to them. This is a lucid desktop machine.

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Apr 5, 2011

I'm trying to open my ports all the way, but for some reason, I am unable to do so. I've forwarded the ports I want open in my router (I switched between two routers to make sure), I made exceptions in Firestarter, and I even added UFW rules, but when I use pretty much any and every port checking tool out there, the ports eithere back stealthed or closed.I'm not a complete noob, and I'm not an expert, but I'm p sure I'm doing everything right, seeing as there isn't much to screw up.The reason I'm trying to fully open these ports is because I'm getting this dumb 'No Incoming Connections

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Apr 5, 2010

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May 14, 2009

Since there was no response on my other post which i spent about a hour writing, ill go for something simpler. I run this on my server

Code:
# set default policy for the NAT table
iptables -t nat -P PREROUTING ACCEPT

[code]...

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Jan 30, 2010

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I am new to Linux. I am installing oracle OBIEE 11g on Linux Red Hat 5.6 64 bits and I got stuck at ports not open error.

I tried adding the following line in the iptables file:

Then Restart iptables service, But did not have any success still getting the same error.

How do I open ports on my server.

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Dec 2, 2010

I cant get any of my usb ports to open ,m trying to open my "usb external hard drive .

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Jan 23, 2011

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SuSEfirewall2 stop
SuSEfirewall2 start

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Feb 4, 2010

Does Ubuntu come with a firewall preinstalled and running? I need to open port 9997 - how would I got about doing this?

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Apr 10, 2010

I installed Ubuntu 9.10 recently. I heard that there will be no open ports in the system unless I specifically open one. How do I scan to find a open port in my system.

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Ubuntu Security :: Ufw Doesn't Open Ports?

Jul 6, 2010

when i enable my ufw it completely shuts me out and closed my internet connection. i installed firewall configuraiton interface and through it defined rules to accept incoming internet connections on port 80, i can see the rules are there but when i enable my firewall it just shuts me out completely again.
when i do(with my firewall enabled):

Code:
$ sudo ufw status
it gives me:
Quote:
Status: active

[Code].....

I also messed around with fwbuilder and iptables but since then deleted fwbuilder(besides i just compiled firewall policy and never actually installed it because of errors while trying to install it. Iptables I cleared with:

Code:
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Dec 15, 2010

"Ubuntu Server has no open ports by default" - [URL]. Does this mean right after a 10.04 Server Edition installation, if a user wants to start a web service e.g. a Java process to listen on say port 8080, he would have to configure the firewall first?

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Jan 2, 2011

I have been running Ubuntu 10.10 and have found that at any time I am connected to the Internet that I will randomly see high port numbers open when doing a port scan on my computer all are in the unknown listings with five digit numbers so I don't know what is going on or who is using them. Please check your system to see if you are having the same thing happen by using network tools and filling in your local ip address in the port scan tab. If you shut down your Ethernet interface and run port scans the high ports are no longer open. this will at least keep whoever is using your ports at bay when you are not using the net.

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May 28, 2010

What UNIX command do you use to find out the open ports in a system?

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