diff -c -r inn-2.3.1/doc/man/nnrpd.8 inn-2.3.1-modified/doc/man/nnrpd.8
*** inn-2.3.1/doc/man/nnrpd.8	Thu Jan 11 10:39:28 2001
--- inn-2.3.1-modified/doc/man/nnrpd.8	Wed Feb 14 19:04:19 2001
***************
*** 17,22 ****
--- 20,28 ----
  .B \-i
  ]
  [
+ .B \-n
+ ]
+ [
  .B \-o
  ]
  [
***************
*** 119,124 ****
--- 136,146 ----
  is running in standalone mode since this call only works when
  .I nnrpd
  is started as root.
+ .TP
+ .B \-n
+ The ``\-n'' flag turns off resolution of IP addresses to names.  If you only
+ use IP-based restrictions in readers.conf and can handle IP addresses in your
+ logs, using this flag may result in some additional speed.
  .TP
  .B \-o
  The ``\-o'' flag causes all articles to be spooled instead of sending
diff -c -r inn-2.3.1/nnrpd/nnrpd.c inn-2.3.1-modified/nnrpd/nnrpd.c
*** inn-2.3.1/nnrpd/nnrpd.c	Thu Jan 11 10:39:38 2001
--- inn-2.3.1-modified/nnrpd/nnrpd.c	Wed Feb 14 19:06:41 2001
***************
*** 87,95 ****
  #if HAVE_GETSPNAM
  STATIC char	*ShadowGroup;
  #endif
- #if	defined(DO_NNRP_GETHOSTBYADDR)
  STATIC char 	*HostErrorStr;
! #endif	/* defined(DO_NNRP_GETHOSTBYADDR) */
  
  extern FUNCTYPE	CMDauthinfo();
  extern FUNCTYPE	CMDdate();
--- 87,94 ----
  #if HAVE_GETSPNAM
  STATIC char	*ShadowGroup;
  #endif
  STATIC char 	*HostErrorStr;
! BOOL	GetHostByAddr = TRUE;  /* formerly DO_NNRP_GETHOSTBYADDR */
  
  extern FUNCTYPE	CMDauthinfo();
  extern FUNCTYPE	CMDdate();
***************
*** 350,356 ****
  }
  
  
- #if	defined(DO_NNRP_GETHOSTBYADDR)
  #ifndef	INADDR_LOOPBACK
  #define	INADDR_LOOPBACK	0x7f000001
  #endif	/* INADDR_LOOPBACK */
--- 349,354 ----
***************
*** 410,416 ****
  	    *p = tolower(*p);
      return TRUE;
  }
- #endif	/* defined(DO_NNRP_GETHOSTBYADDR) */
  
  
  /*
--- 408,413 ----
***************
*** 450,480 ****
  	}
  
  	/* Get client's name. */
! #if	defined(DO_NNRP_GETHOSTBYADDR)
! 	HostErrorStr = NULL;
! 	if (!Address2Name(&sin.sin_addr, ClientHost, (int)sizeof ClientHost)) {
! 	    (void)strcpy(ClientHost, inet_ntoa(sin.sin_addr));
! 	    if (HostErrorStr == NULL) {
! 		syslog(L_NOTICE,
! 		    "? cant gethostbyaddr %s %m -- using IP address for access",
! 		    ClientHost);
! 	    } else {
! 		syslog(L_NOTICE,
! 		    "? cant gethostbyaddr %s %s -- using IP address for access",
! 		    ClientHost, HostErrorStr);
  	    }
- 	    ClientAddr = ClientHost;
-             ClientIP = inet_addr(ClientHost);
  	}
  	else {
! 	    ClientAddr = buff;
! 	    (void)strcpy(buff, inet_ntoa(sin.sin_addr));
!             ClientIP = inet_addr(buff);
  	}
- #else
- 	(void)strcpy(ClientHost, inet_ntoa(sin.sin_addr));
-         ClientIP = inet_addr(ClientHost);
- #endif /* defined(DO_NNRP_GETHOSTBYADDR) */
  	(void)strncpy(ClientIp, inet_ntoa(sin.sin_addr), sizeof(ClientIp));
  	length = sizeof sin;
  	if (getsockname(STDIN, (struct sockaddr *)&sin, &length) < 0) {
--- 447,478 ----
  	}
  
  	/* Get client's name. */
! 	if (GetHostByAddr) {
! 	    HostErrorStr = NULL;
! 	    if (!Address2Name(&sin.sin_addr, ClientHost, (int)sizeof ClientHost)) {
! 		(void)strcpy(ClientHost, inet_ntoa(sin.sin_addr));
! 		if (HostErrorStr == NULL) {
! 		    syslog(L_NOTICE,
! 			"? cant gethostbyaddr %s %m -- using IP address for access",
! 			ClientHost);
! 		} else {
! 		    syslog(L_NOTICE,
! 			"? cant gethostbyaddr %s %s -- using IP address for access",
! 			ClientHost, HostErrorStr);
! 		}
! 		ClientAddr = ClientHost;
! 		ClientIP = inet_addr(ClientHost);
! 	    }
! 	    else {
! 		ClientAddr = buff;
! 		(void)strcpy(buff, inet_ntoa(sin.sin_addr));
! 		ClientIP = inet_addr(buff);
  	    }
  	}
  	else {
! 	    (void)strcpy(ClientHost, inet_ntoa(sin.sin_addr));
! 	    ClientIP = inet_addr(ClientHost);
  	}
  	(void)strncpy(ClientIp, inet_ntoa(sin.sin_addr), sizeof(ClientIp));
  	length = sizeof sin;
  	if (getsockname(STDIN, (struct sockaddr *)&sin, &length) < 0) {
***************
*** 482,504 ****
  	    Printf("%d Can't figure out where you connected to.  Goodbye\r\n", NNTP_ACCESS_VAL);
  	    ExitWithStats(1, TRUE);
  	}
! #ifdef DO_NNRP_GETHOSTBYADDR
! 	HostErrorStr = NULL;
! 	if (!Address2Name(&sin.sin_addr, ServerHost, sizeof(ServerHost))) {
! 	    strcpy(ServerHost, inet_ntoa(sin.sin_addr));
! 	    if (HostErrorStr == NULL) {
! 		syslog(L_NOTICE,
! 		    "? cant gethostbyaddr %s %m -- using IP address for access",
! 		    ServerHost);
! 	    } else {
! 		syslog(L_NOTICE,
! 		    "? cant gethostbyaddr %s %s -- using IP address for access",
! 		    ServerHost, HostErrorStr);
  	    }
  	}
! #else
!         strcpy(ServerHost, inet_ntoa(sin.sin_addr));
! #endif /* DO_NNRP_GETHOSTBYADDR */
      }
  
      strncpy (LogName,ClientHost,sizeof(LogName) - 1) ;
--- 480,503 ----
  	    Printf("%d Can't figure out where you connected to.  Goodbye\r\n", NNTP_ACCESS_VAL);
  	    ExitWithStats(1, TRUE);
  	}
! 	if (GetHostByAddr) {
! 	    HostErrorStr = NULL;
! 	    if (!Address2Name(&sin.sin_addr, ServerHost, sizeof(ServerHost))) {
! 		strcpy(ServerHost, inet_ntoa(sin.sin_addr));
! 		if (HostErrorStr == NULL) {
! 		    syslog(L_NOTICE,
! 			"? cant gethostbyaddr %s %m -- using IP address for access",
! 			ServerHost);
! 		} else {
! 		    syslog(L_NOTICE,
! 			"? cant gethostbyaddr %s %s -- using IP address for access",
! 			ServerHost, HostErrorStr);
! 		}
  	    }
  	}
! 	else {
! 	    strcpy(ServerHost, inet_ntoa(sin.sin_addr));
! 	}
      }
  
      strncpy (LogName,ClientHost,sizeof(LogName) - 1) ;
***************
*** 802,807 ****
--- 802,810 ----
   	    if (ListenAddr == -1)
   	    	ListenAddr = htonl(INADDR_ANY);
   	    break;
+ 	case 'c':			/* alternate readers.conf */
+ 	    AltConfigFile = COPY(optarg);
+ 	    break;
   	case 'D':			/* standalone daemon mode */
   	    DaemonMode = TRUE;
   	    break;
***************
*** 813,818 ****
--- 816,824 ----
  	case 'i':			/* Initial command */
  	    PushedBack = COPY(optarg);
  	    break;
+ 	case 'n':			/* No DNS lookups */
+ 	    GetHostByAddr = FALSE;
+ 	    break;
  	case 'o':
  	    Offlinepost = TRUE;		/* Offline posting only */
  	    break;