diff --git a/client/port.cpp b/client/port.cpp
index 3130432..8068c41 100644
--- a/client/port.cpp
+++ b/client/port.cpp
@@ -230,6 +230,7 @@ void Port::updateStats(OstProto::PortStats *portStats)
 bool Port::openStreams(QString fileName, bool append, QString &error)
 {
     bool ret = false; 
+    QDialog *optDialog;
     QProgressDialog progress("Opening Streams", "Cancel", 0, 0, mainWindow);
     OstProto::StreamConfigList streams;
     AbstractFileFormat *fmt = AbstractFileFormat::fileFormatFromFile(fileName);
@@ -237,6 +238,16 @@ bool Port::openStreams(QString fileName, bool append, QString &error)
     if (fmt == NULL)
         goto _fail;
 
+    if (optDialog = fmt->openOptionsDialog())
+    {
+        int ret;
+        optDialog->setParent(mainWindow, Qt::Dialog);
+        ret = optDialog->exec();
+        optDialog->setParent(0, Qt::Dialog);
+        if (ret == QDialog::Rejected)
+            goto _user_opt_cancel;
+    }
+
     progress.setAutoReset(false);
     progress.setAutoClose(false);
     progress.setMinimumDuration(0);
@@ -295,6 +306,7 @@ bool Port::openStreams(QString fileName, bool append, QString &error)
 
 _user_cancel:
     emit streamListChanged(mPortGroupId, mPortId);
+_user_opt_cancel:
     ret = true;
 
 _fail:
diff --git a/common/abstractfileformat.cpp b/common/abstractfileformat.cpp
index f748447..15271d7 100644
--- a/common/abstractfileformat.cpp
+++ b/common/abstractfileformat.cpp
@@ -34,6 +34,16 @@ AbstractFileFormat::~AbstractFileFormat()
 {
 }
 
+QDialog* AbstractFileFormat::openOptionsDialog()
+{
+    return NULL;
+}
+
+QDialog* AbstractFileFormat::saveOptionsDialog()
+{
+    return NULL;
+}
+
 QStringList AbstractFileFormat::supportedFileTypes()
 {
     return QStringList()
diff --git a/common/abstractfileformat.h b/common/abstractfileformat.h
index 031e4e1..1f8447d 100644
--- a/common/abstractfileformat.h
+++ b/common/abstractfileformat.h
@@ -25,6 +25,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 #include <QThread>
 #include <QString>
 
+class QDialog;
+
 class AbstractFileFormat : public QThread
 {
     Q_OBJECT
@@ -37,6 +39,9 @@ public:
     virtual bool saveStreams(const OstProto::StreamConfigList streams, 
             const QString fileName, QString &error) = 0;
 
+    virtual QDialog* openOptionsDialog();
+    virtual QDialog* saveOptionsDialog();
+
     void openStreamsOffline(const QString fileName, 
             OstProto::StreamConfigList &streams, QString &error);
     void saveStreamsOffline(const OstProto::StreamConfigList streams, 
@@ -44,11 +49,11 @@ public:
 
     bool result();
 
+    static QStringList supportedFileTypes();
+
     static AbstractFileFormat* fileFormatFromFile(const QString fileName);
     static AbstractFileFormat* fileFormatFromType(const QString fileType);
 
-    static QStringList supportedFileTypes();
-
 #if 0
     bool isMyFileFormat(const QString fileName) = 0;
     bool isMyFileType(const QString fileType) = 0;
diff --git a/common/ostproto.pro b/common/ostproto.pro
index 3283090..7e3c80a 100644
--- a/common/ostproto.pro
+++ b/common/ostproto.pro
@@ -5,6 +5,7 @@ INCLUDEPATH += "../extra/qhexedit2/src"
 LIBS += \
     -lprotobuf
 FORMS += \
+    pcapfileimport.ui \
     mac.ui \
     payload.ui \
     eth2.ui \
diff --git a/common/pcapfileformat.cpp b/common/pcapfileformat.cpp
index 04ace99..4d8a46a 100644
--- a/common/pcapfileformat.cpp
+++ b/common/pcapfileformat.cpp
@@ -53,19 +53,39 @@ const quint32 kDltEthernet = 1;
 
 PcapFileFormat pcapFileFormat;
 
+PcapImportOptionsDialog::PcapImportOptionsDialog(QVariantMap *options)
+    : QDialog(NULL)
+{
+    setupUi(this);
+    options_ = options;
+    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+}
+
+PcapImportOptionsDialog::~PcapImportOptionsDialog()
+{
+}
+
+void PcapImportOptionsDialog::accept()
+{
+    options_->insert("ViaPdml", viaPdml->isChecked());
+    options_->insert("DoDiff", doDiff->isChecked());
+
+    QDialog::accept();
+}
+
 PcapFileFormat::PcapFileFormat()
 {
+    importDialog_ = NULL;
 }
 
 PcapFileFormat::~PcapFileFormat()
 {
+    delete importDialog_;
 }
 
 bool PcapFileFormat::openStreams(const QString fileName, 
             OstProto::StreamConfigList &streams, QString &error)
 {
-    bool viaPdml = false; // TODO: shd be a param to function
-
     bool isOk = false;
     QFile file(fileName);
     QTemporaryFile file2;
@@ -170,7 +190,7 @@ bool PcapFileFormat::openStreams(const QString fileName,
 
     pktBuf.resize(fileHdr.snapLen);
 
-    if (viaPdml)
+    if (importOptions_.value("ViaPdml").toBool())
     {
         QTemporaryFile pdmlFile;
         PdmlReader reader(&streams);
@@ -424,6 +444,14 @@ _exit:
     return isOk;
 }
 
+QDialog* PcapFileFormat::openOptionsDialog()
+{
+    if (!importDialog_)
+        importDialog_ = new PcapImportOptionsDialog(&importOptions_);
+
+    return importDialog_;
+}
+
 bool PcapFileFormat::isMyFileFormat(const QString fileName)
 {
     // TODO
diff --git a/common/pcapfileformat.h b/common/pcapfileformat.h
index 4f7ab7a..064aaf1 100644
--- a/common/pcapfileformat.h
+++ b/common/pcapfileformat.h
@@ -20,8 +20,23 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 #define _PCAP_FILE_FORMAT_H
 
 #include "abstractfileformat.h"
+#include "ui_pcapfileimport.h"
 
 #include <QDataStream>
+#include <QVariantMap>
+
+class PcapImportOptionsDialog: public QDialog, public Ui::PcapFileImport
+{
+public: 
+    PcapImportOptionsDialog(QVariantMap *options);
+    ~PcapImportOptionsDialog();
+
+private slots:
+    void accept();
+
+private:
+    QVariantMap *options_;
+};
 
 class PdmlReader;
 class PcapFileFormat : public AbstractFileFormat
@@ -37,6 +52,8 @@ public:
     bool saveStreams(const OstProto::StreamConfigList streams, 
             const QString fileName, QString &error);
 
+    virtual QDialog* openOptionsDialog();
+
     bool isMyFileFormat(const QString fileName);
     bool isMyFileType(const QString fileType);
 
@@ -61,6 +78,8 @@ private:
     bool readPacket(PcapPacketHeader &pktHdr, QByteArray &pktBuf);
 
     QDataStream fd_;
+    QVariantMap importOptions_;
+    PcapImportOptionsDialog *importDialog_;
 };
 
 extern PcapFileFormat pcapFileFormat;