similar to: [Q] TCP segment sent is larger than peers advertised MSS

Hey, My internet is provided via ADSL using PPPoE. When I take a look at ifconfig''s output, I see that eth0 has an MTU of 1500, and ppp0 has an MTU of 1492. I don''t _think_ that rp-pppoe (my pppoe util) is clamping the MSS. I am noticing some latency when there''s a lot of bandwidth in use (but not >90%). What should I clamp, eth0/ppp0? How much? And what with,

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=534 Summary: --mss in tcp.man Product: iptables Version: 1.3.5 Platform: i386 OS/Version: Debian GNU/Linux Status: NEW Severity: trivial Priority: P2 Component: iptables AssignedTo: laforge@netfilter.org ReportedBy:

Hello, I have an interesting question. I can''t find a solution anywhere to this problem. I have an adsl connection which is able to send a full data packet in about 150ms. I want to cut this time down to decrease latency while serving files, so I thought I''d try and reduce the packet size for the offending upload streams (my webserver). The trick is that I also want all other

Dear ssh gurus, Here's the version I'm testing on : flavien :/$ ssh -V OpenSSH_5.3p1 Debian-3ubuntu4, OpenSSL 0.9.8k 25 Mar 2009 I launch a remote command : flavien$ ssh -o ControlMaster=yes -o ControlPath=/tmp/ssh-control localhost 'echo pid:$$ ...sleeping...; sleep 2803' flavien at localhost's password: pid:11565 ...sleeping... On another shell, I

Hi, I'm using samba 3.0.22 on a Linux/Debian machine. I'm trying to get printer drivers on the server automatically picked by the XP clients on the server. $ rpcclient localhost -U flavien -c 'enumdrivers' Password: [Windows NT x86] Printer Driver Info 1: Driver Name: [hp1] The user "flavien" has PrintOperator privileges : $ net rpc

I have a slightly complicated question. I am using an mpi application (Intel impi) which uses ssh to launch applications. For about 0.1-0.2% of the ssh connections I end up with a zombie, i.e. ps will show [ssh] <defunct>. Something is going wrong with the ssh when it starts, perhaps a race condition, it is not disconnecting after some time, that I have been able to verify. The most obvious

https://bugzilla.netfilter.org/show_bug.cgi?id=662 Phil Oester <netfilter at linuxace.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |RESOLVED CC| |netfilter at linuxace.com Resolution|

Hello, An AIX machine runs a program that forks ssh client in order to launch commands on a remote. I'm first seting up a Master connection with a ControlPath, then using that connection to launch various commands on the remote, and killing the master by issuing a "-O exit" command. SSH client version on that machine is : # ssh -V OpenSSH_5.8p1, OpenSSL 0.9.8r 8 Feb 2011 #

On Thu, 7 Nov 2013, Ernst Kratschmer wrote: > Dear openssh developer, > > I want to use a Win7 client with putty to access a Linux host running an > openssh 6.2p2 through a VPN connection. These connection worked relatively > flawless with all versions of openssh up until openssh 6.1p1. Since the > openssh 6.2p2 upgrade the ssh connection fail consistently with a message:

Hi I have a (bizarre) problem with ssh, which someone has suggested may be down to the MSS value being too high. I know that within Shorewall I can clamp the MSS value to the MTU-40 value, but is there a way I can set MSS to a discreet value? I just want to (dis)prove the MSS theory at the moment (I know it isn''t a real fix). Thanks, Keith

current content below is annotated by some suggestions of things to add along with questions for those who know more than I do [in brackets] ================ # iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu This calculates the proper MSS for your link. [If I understand the code correctly ... - expert intervention invited] More precisely, this sets the

Hi there, I am working on clustering genomic data. I am using HOPACH method for clustering. I have a query here. How can i get SS (split silhouette) value for individual clusters. What I am getting as MSS value, is Mean of all SS value of individual cluster. Hence I am getting single value for a gene set. But I would be very helpful for me if I get silhouette value for individual clusters.

https://bugzilla.netfilter.org/show_bug.cgi?id=1165 Bug ID: 1165 Summary: Feature Request - Clamp MTU to MSS Product: nftables Version: unspecified Hardware: x86_64 OS: All Status: NEW Severity: enhancement Priority: P5 Component: nft Assignee: pablo at netfilter.org

Hi, The 4.4p1 release is approaching now, so we are now asking people to actively test snapshots or CVS and report back to the mailing list. Snapshots are available from http://www.mindrot.org/openssh_snap or from any of the mirrors listed on http://www.openssh.org/portable.html The latter page also includes instructions for checking out portable OpenSSH via anonymous CVS. This release

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https://bugzilla.netfilter.org/show_bug.cgi?id=1058 Bug ID: 1058 Summary: Add clamp MSS to MTU Product: nftables Version: unspecified Hardware: All OS: All Status: NEW Severity: enhancement Priority: P5 Component: nft Assignee: pablo at netfilter.org Reporter:

I sent the message below to this list over a week ago, and I haven''t seen any response. If this is not the correct forum for my question, can anyone suggest a better person or place to which I should direct it? Thank you, Jonathan Kamens ------- Start of forwarded message ------- From: Jonathan Kamens <jik@kamens.brookline.ma.us> To: lartc@mailman.ds9a.nl Subject: [LARTC] MSS

Hi As this '-R' command initially works fine I guess it must be a bug. I have to login at a computer which is hidden behind NAT. The user (joe) at the computer then connect to my server with the command: ssh -R 1234:localhost:22 test.com Then I login to test.com and connect back to joes computer: ssh -p 1234 localhost I get successfull connection every time but after a few

Hi all, I've noticed that OpenSSH 7.7 adds stricter validation of user environment strings from authorized_keys files. While strict validation is a good thing from a security perspective, this new change specifically blocks underscores which are common to include in a user environment string. This results in the key being rejected outright. Including underscores in a user environment is a

Hello, I got a dovecot server running on a Debian Linux machine. I'd like to run another instance of it. I start it with another config file with debug output on stderr. The auth parameters are different : dovecot1: Imapd only, listens on 143, auth=/etc/passwd dovecot2: Imapd only, listens on 144, auth=mysql It kinda works... But... How does one instance of it recognizes the