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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"><HTML><HEAD><TITLE>Messages</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.64"><LINKREL="HOME"TITLE="IPTraf User's Manual"HREF="manual.html"><LINKREL="PREVIOUS"TITLE="Background Operation"HREF="backop.html"><LINKREL="NEXT"TITLE=" rvnamed Messages"HREF="rvnamedmessages.html"></HEAD><BODYCLASS="APPENDIX"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">IPTraf User's Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="backop.html"><<< Previous</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="rvnamedmessages.html">Next >>></A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="APPENDIX"><H1><ANAME="MESSAGES">Messages</A></H1><P>IPTraf's messages are presented in two ways. In interactive mode, messagesare displayed in a distictive message box. In daemon (background) mode,appropriate messages are written to the <TTCLASS="FILENAME">iptraf.log</TT>file in the IPTraf log directory (normally<TTCLASS="FILENAME">/var/log/iptraf</TT>.</P><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="IPTRAFMESSAGES">IPTraf Messages</A></H1><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2044"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to create config file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot create the configuration file. The most likely cause of this is that you didn't properly install the program, and the necessary directory<TTCLASS="FILENAME">/var/local/iptraf</TT> does not exist. Can also be generated if you have a disk problem or if you have too many files open.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2051"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to read config file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The configuration record cannot be read. You most likely have a disk problem.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2057"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to write config file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The configuration file cannot be written. You either have a disk problem, or (more likely), your disk is full.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2063"></A><P><TTCLASS="COMPUTEROUTPUT">Enter an appropriate description for this filter</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> Enter something to clearly describe the filter you are defining. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2069"></A><P><TTCLASS="COMPUTEROUTPUT">Error loading filter list file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot access the list of defined TCP or UDP filters. Can also be an indicator of a bad disk.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2075"></A><P><TTCLASS="COMPUTEROUTPUT">Error writing filter list file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The filter list file cannot be written to. You may have trouble accessing your filters. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2081"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to read TCP/UDP/misc IP filter file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot read the filter data off the file. Could be caused by a bad disk. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2087"></A><P><TTCLASS="COMPUTEROUTPUT">Error opening filter data file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot open the filter file. Could be caused by a shortage of file descriptors or a bad disk.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2093"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to write filter data</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot add the newly defined filter to the filter list. This may be due to a bad disk.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2099"></A><P><TTCLASS="COMPUTEROUTPUT">Cannot create filter data file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot create the filter record file. The defined filter is lost.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2105"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to save filter changes</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot save the changes you made to the filter. You probably have a disk error.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2111"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to write filter state information</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The current state of the filters cannot be saved. IPTraf will be unable to correctly reload the filters the next time it's started. This can be caused by a bad disk or improper installation.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2117"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to save interface flags</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to save the flags of the network interfaces. This is probably due to a bad installation or full filesystem.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2123"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to retrieve saved interface flags</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to retrieve the save interface flags. Probably again due to a bad installation or full filesystem.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2129"></A><P><TTCLASS="COMPUTEROUTPUT"><TTCLASS="REPLACEABLE"><I>protocol</I></TT> filter data file in use; try again later</TT></P><P><TTCLASS="COMPUTEROUTPUT">Filter state file in use; try again later</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> Another IPTraf process is modifying the TCP, UDP or miscellaneous IP filter data or the filter state file and has locked the files or file. Try again once the other IPTraf process has terminated or completed its modifications and unlocked the files.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2138"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to resolve hostname</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The indicated host name in the filter cannot be resolved into an IP address. Check the local hosts database <TTCLASS="FILENAME">/etc/hosts</TT> or your machine's DNS configuration or DNS server. The filter parameters will not be used.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2146"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to open host description file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf cannot open the file containing the descriptions for Ethernet or FDDI addresses. Could be due to a bad disk or a hit on the file descriptor limit. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2152"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to write host description</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to write the description record for this Ethernet or FDDI address. Could be due to a bad disk or corrupted filesystem. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2158"></A><P><TTCLASS="COMPUTEROUTPUT">No descriptions </TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> You tried to edit or delete a description with no previous descriptions defined. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2164"></A><P><TTCLASS="COMPUTEROUTPUT">Cannot open log file</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> There is a problem opening the log file. There is most likely a problem with the disk, or there are too many open files. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2170"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to obtain interface list</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to retrieve the list of network interfaces from the <TTCLASS="FILENAME">/proc</TT> filesystem. This may be due to a badly configured kernel. IPTraf needs <TTCLASS="FILENAME">/proc</TT> filesystem support. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2178"></A><P><TTCLASS="COMPUTEROUTPUT">No active interfaces. Check their status or the /proc filesystem.</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf found no active interfaces. Either all interfaces are down or the <TTCLASS="FILENAME">/proc/net/dev</TT> file was empty or unavailable. Activate at least one interface or check the <TTCLASS="FILENAME">/proc/net/dev</TT> file. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2186"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to obtain interface parameters for interface</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The system call to retrieve the interface's flags failed. Check your interface or kernel driver. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2192"></A><P><TTCLASS="COMPUTEROUTPUT">Promisc change failed for interface</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The system call to change the promiscuous flag failed. Check your interface or its kernel driver. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2198"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to open raw socket for flag change</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to open the necessary socket for the promiscuous change operation. May be due to a shortage of file descriptors. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2204"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to open socket for MTU determination</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> Returned by the facility for detailed interface statistics if the raw socket's opening sequence failed. The facility will abort.</BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2210"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to open raw socket</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> IPTraf was unable to open the raw socket for packet capture. May be due to a shortage of file descriptors.<DIVCLASS="NOTE"><P></P><TABLECLASS="NOTE"WIDTH="100%"BORDER="0"><TR><TDWIDTH="25"ALIGN="CENTER"VALIGN="TOP"><IMGSRC="./stylesheet-images/note.gif"HSPACE="5"ALT="Note"></TD><THALIGN="LEFT"VALIGN="CENTER"><B>Reminder</B></TH></TR><TR><TD> </TD><TDALIGN="LEFT"VALIGN="TOP"><P> IPTraf 2.x.x requires Linux kernel 2.2.x, with the Packet Socket option compiled in or installed as a module. IPTraf 2.x will return this error on a pre-2.2 kernel or on a 2.2 kernel without Packet Socket.</P></TD></TR></TABLE></DIV></BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2219"></A><P><TTCLASS="COMPUTEROUTPUT">Unable to obtain interface MTU</TT></P><BLOCKQUOTECLASS="MSGEXPLAN"> The detailed statistics facility was unable to obtain the maximum transmission unit (MTU) for the selected interface. The facility will abort. </BLOCKQUOTE></DIV><DIVCLASS="SIMPLEMSGENTRY"><ANAME="AEN2225"></A><P⌨️ 快捷键说明
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